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202篇 您的检索式:作者名="Jun Zuo"
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1Long-term changes in the fishery ecosystem structure of Laizhou Bay,China显示文摘Laizhou Bay provides a critical spawning and nursery habitat for many fishery species,including commercially important species,such as Fenneropenaeus chinensis and Larimichthys polyactis.The bay is severely stressed due to high fishing pressure and environmental changes.Based on the long-term ecosystem surveys in Laizhou Bay during the main spawning period(May) of most fishery species from 1959 to 2008,the responses of the Laizhou Bay fishery ecosystem were analyzed here,including regime shifts in species composition,biomass,species diversity,zooplankton,phytoplankton,and environmental variables.The dominant species of large-size and high economic value(e.g.Trichiurus haumela,L.polyactis) have been replaced by the short-lived,low-trophic-level planktivorous pelagic species(e.g.Setipinna taty,Engraulis japonicus) since the 1980s,and it is probable that the small-sized pelagic fishes have been recently replaced by invertebrates(e.g.Oratosquilla oratoria,Crangon affinis).The biomass of fishery resources declined continuously from 423.6 kg haul?1 h?1 in 1959 to 164.6 kg haul?1 h?1 in 1982,37.7 kg haul?1 h?1 in 1993,and less than 8 kg haul?1 h?1 in 1998-2008.Moreover,the biomass of zooplankton showed an increasing trend during 1959-2006,but showed a slight decline in 2008.The abundance of phytoplankton increased from 1959 through 1982,decreased substantially in 1993,and increased again until 2004.More recently,however,the phytoplankton abundance was very low.The sea surface temperature(SST) and sea bottom temperature(SBT) in May increased by 0.23°C a?1 and 0.16°C a?1,respectively,during 1982-2008.The salinity in May showed large fluctuations and reached its lowest values in 2004 and 2006.The ratio of dissolved inorganic nitrogen(DIN) to dissolved inorganic phosphate(DIP) increased.However,the dissolved silicon(DSi):DIP and DSi:DIN ratios decreased to a low level during 1959-2008.These changes seriously impacted primary production,and cascade effects then changed the structure and function of the fishery ecosystem.Further analysis indicated that multiple stresses caused the alterations in the structure of the Laizhou Bay fishery ecosystem.The top-down effect was identified as the main influence on the fishery species(at the top of the food chain) over the past five decades due to the increasing fishing pressure,whereas the bottom-up effect increased over the past three decades due to the strong variations in the environment.JIN XianShi SHAN XiuJuan LI XianSen WANG Jun CUI Yi ZUO Tao 2013Science China Earth Sciences2013,56,3:31
2The Coix Genome Provides Insights into Panicoideae Evolution and Papery Hull Domestication显示文摘Coix is a grass crop domesticated as early as the Neolithic era.It is still widely cultivated for both highly nutritional food and medicinal use.However,the genetic study and breeding of this crop are hindered by the lack of a sequenced genome.Here,we report de novo sequencing and assembly of the 1619-Mb genome of Coix,and annotation of 75.39%repeats and 39629 protein-coding genes.Comparative genomics analysis showed that Coix is more closely related to sorghum than maize,but intriguingly only Coix and maize had a recent genome duplication event,which was not detected in sorghum.We further constructed a genetic map and mapped several important traits,especially the strength of hull.Selection of papery hull(thin:easy dehulling)from the stony hull(thick:difficult dehulling)in wild progenitors was a key step in Coix domestication.The papery hull makes seed easier to process and germinate.Anatomic and global transcriptome analysis revealed that the papery hull is a result of inhibition of cell division and wall biogenesis.We also successfully demonstrated that seed hull pressure resistance is controlled by two major quantitative trait loci(QTLs),which are associated with hull thickness and color,respectively.The two QTLs were further fine mapped within intervals of 250 kb and 146 kb,respectively.These resources provide a platform for evolutionary studies and will facilitate molecular breeding of this important crop.Chao Guo Yanan Wang Aiguo Yang Jun He Chaowen Xiao Shanhua Lv Fengming Han Yibing Yuan Yuan Yuan Xiaolong Dong Juan Guo YawenYang-Hailan Liu Ningzhi Zuo Yaxi Hu Kangxu Zhao Zhengbo Jiang Xing Wang Tingting Jiang Yaou Sherf Moju Cao Yuan Wang Zhaobo Long Tingzhao Rong Luqi Huang Shufeng Zhou 2020Molecular Plant2020,13,2:11
3Accuracy of ^18F-FDG PET/CT for lymph node staging in non-small-cell lung cancers显示文摘这回顾的研究评估了的背景2-( F18 )的诊断精确性在在有 non-small-cell 肺癌症( NSCLC )的病人的变形 mediastinal 和 hilar 淋巴节点的外科手术前的诊断的 -fluoro-2-deoxy-D-glucose-positron 排放断层摄影术( 18F-FDG-PET ) /COmputed 断层摄影术( PET/CT ) 39 个病人全部的 .Methods A 收到了外科手术前的 18F-FDG PET/CT 并且手术后的 biopsy.We 在 39 N 把外科手术前的 PET/CT 扫描结果与相应 intraoperative histopathalogicLIU Bao-jun DONG Jing-cheng XU Chang-qing ZUO Chuan-tao LE Jing-jing GUAN Yi-hui ZHAO Jun WU Jin-feng DUAN Xiao-hong CAO Yu-xue 2009Chinese Medical Journal2009,,15:11
4Epidemiology and trend analysis on malignant mesothelioma in China显示文摘Objective: Population-based cancer registration data were used to analyze the epidemiology and trend of malignant mesothelioma in China, and the result would provide basic data for its prevention and control.Methods: Malignant mesothelioma data in 2013 were retrieved from the database of National Cancer Registry.Malignant mesothelioma incidence and mortality were estimated using age-specific rate by urban/rural and gender according to the national population in 2013. Malignant mesothelioma data from 22 cancer registries were used for trend analysis during 2000–2013.Results: It is estimated that there were 2,041 new malignant mesothelioma cases and 1,659 malignant mesothelioma deaths occurred in 2013. The crude incidence rate in China were 1.50/106(males 1.67/106, females1.32/106), age-standardized incidence rates by Chinese standard population(ASIRC) and by world standard population(ASIRW) were 1.03/106 and 1.02/106, respectively. The crude mortality rate in China was 1.22/106(males 1.67/106, females 1.32/106), age-standardized mortality rates by Chinese standard population(ASMRC) and by world standard population(ASMRW) were 0.83/106 and 0.81/106, respectively. There was an increasing trend of incidence rate for malignant mesothelioma in registration areas of China during 2000–2013 with annual percentage change(APC) of 2.5% [95% confidence interval(95% CI): 0.6%–4.5%]. After age standardization, no significant differences were observed. No matter for crude mortality rates or age-standardized mortality rates, no significant differences were observed during 2000–2013.Conclusions: Malignant mesothelioma is the major occupational and environmental neoplasm associated with asbestos exposure. The increasing incidence trend suggests that more attention should be paid on this disease.Jun Zhao Tingting Zuo Rongshou Zheng Siwei Zhang Hongmei Zeng Changfa Xia Zhixun Yang Wanqing Chen 2017Chinese Journal of Cancer Research2017,29,4:11
5Relationship of microstructure transformation and hardening behavior of type 17-4 PH stainless steel显示文摘The relationship between the microstructure transformation of type 17-4 PH stainless steel and the aging hardening be- havior was investigated. The results showed that, when 17-4 PH stainless steel aging at 595°C, the bulk hardness of samples attains its peak value (42.5 HRC) for about 20 min, and then decreases at all time. TEM revealed the microstructure corresponding with peak hardness is that the fine spheroid-shape copper with the fcc crystal structure and the fiber-shape secondary carbide M23C6 precipitated from the lath martensite matrix. Both precipitations of copper and M23C6 are the reasons for strengthening of the alloy at this tem- perature. With the extension of holding time at this temperature, the copper and secondary carbide grow and lose the coherent rela- tionship with the matrix, so the bulk hardness of samples decreases.Jun Wang Hong Zou Cong Li Ruling Zuo Shaoyu Qiu Baoluo Shen 2006Journal of University of Science and Technology Beijing2006,13,3:10
6A controlled study of positron-emission-tomography and positron-emission-tomography/computed tomography in differential diagnosis of solitary pulmonary nodules—report of 60 cases显示文摘The differential diagnosis of solitary pulmonary nodules (SPNs) remains a challenge. It is acknowledged that combining positron-emission tomography (PET) and computed tomography (CT) offers the most reliable noninvasive method for the diagnosis of SPNs. Since Townsend et al1 developed integrated PET/CT in 1999, this technique has increasingly been introduced into clinical practice. To date, nuclear medicine physicians have usually undertaken PET/CT diagnosis, but the question is surfacing as how to make full use of the information of CT image to improve the accuracy of SPN diagnosis. To answer this question, we performed a retrospective study on 60 patients with SPNs. METHODS Patients Between October 2003 and October 2004, 60 consecutive patients with SPNs (age range 26-85 years; median 56 years) underwent PET/CT examination, including 30 with benign and 30 with malignant lesions. Most of the patients had undergone CT scan before PET/CT. None of the patients received chemotherapy or radiation therapy previously.DING Qi-yong HUA Yan-qing ZHANG Guo-zhen ZHAO Jun GUAN Yi-hui GE Xiao-jun MAO Ding-biao ZUO Chuan-tao 2005Chinese Medical Journal2005,,18:10
7Assessment of myocardial blood perfusion improved by CD151 in a pig myocardial infarction model显示文摘Hou-juan ZUO Zheng-xiang LIU Xiao-chun LIU Jun YANG Tao LIU Sha WEN Dao-wen WANG Xin ZHANG 2009Acta Pharmacologica Sinica2009,30,1:10
8Mechanism of brittle-ductile transition of a glass-ceramic rigid substrate显示文摘The hardness, elastic modulus, and scratch resistance of a glass-ceramic rigid substrate were measured by nanoindentation and nanoscratch, and the fracture toughness was measured by indentation using a Vickers indenter. The results show that the hardness and elastic modulus at a peak indentation depth of 200 nm are 9.04 and 94.70 GPa, respectively. These values reflect the properties of the glass-ceramic rigid substrate. The fracture toughness value of the glass-ceramic rigid substrate is 2.63 MPa?m1/2. The material removal mechanisms are seen to be directly related to normal force on the tip. The critical load and scratch depth estimated from the scratch depth profile after scratching and the friction profile are 268.60 mN and 335.10 nm, respectively. If the load and scratch depth are under the critical values, the glass-ceramic rigid substrate will undergo plastic flow rather than fracture. The formula of critical depth of cut described by Bifnao et al. is modified based on the difference of critical scratchYu-li Sun Dun-wen Zuo Hong-yu Wang Yong-wei Zhu Jun Li 2011International Journal of Minerals,Metallurgy and Materials2011,18,2:9
9Inhibition of pacemaker activity in interstitial cells of Cajal by LPS via NF-κB and MAP kinase显示文摘AIM:To investigate lipopolysaccharide(LPS) related signal transduction in interstitial cells of Cajal(ICCs) from mouse small intestine.METHODS:For this study,primary culture of ICCs was prepared from the small intestine of the mouse.LPS was treated to the cells prior to measurement of the membrane currents by using whole-cell patch clamp technique.Immunocytochemistry was used to examine the expression of the proteins in ICCs.RESULTS:LPS suppressed the pacemaker currents of ICCs and this could be blocked by AH6809,a prostaglandin E2-EP2 receptor antagonist or NG-Nitro-Larginine Methyl Ester,an inhibitor of nitric oxide(NO) synthase.Toll-like receptor 4,inducible NO synthase or cyclooxygenase-2 immunoreactivity by specific antibodies was detected on ICCs.Catalase(antioxidant agent) had no action on LPS-induced action in ICCs.LPS actions were blocked by nuclear factor kB(NF-kB) inhibitor,actinomycin D(a gene transcription inhibitor),PD 98059(a p42/44 mitogen-activated protein kinases inhibitor) or SB 203580 [a p38 mitogen-activated protein kinases(MAPK) inhibitor].SB 203580 also blocked the prostaglandin E2-induced action on pacemaker currents in ICCs but not NO.CONCLUSION:LPS inhibit the pacemaker currents in ICCs via prostaglandin E2-and NO-dependent mechanism through toll-like receptor 4 and suggest that MAPK and NF-kB are implicated in these actions.Dong Chuan Zuo Seok Choi Pawan Kumar Shahi Man Yoo Kim Chan Guk Park Young Dae Kim Jun Lee In Yeoup Chang Insuk So Jae Yeoul Jun 2013World Journal of Gastroenterology2013,19,8:9
10Immobilization of lead in anthropogenic contaminated soils using phosphates with/without oxalic acid显示文摘Understanding the effects of oxalic acid(OA) on the immobilization of Pb(Ⅱ) in contaminated soils by phosphate materials, has considerable benefits for risk assessment and remediation strategies for the soil. A series of phosphate amendments with/without oxalic acid were applied to two anthropogenic contaminated soils. We investigated the immobilization of Pb(Ⅱ) by KH2PO4, phosphate rock(PR), activated phosphate rock(APR) and synthetic hydroxyapatite(HAP) at different phosphate:Pb(P:Pb) molar ratios(0, 0.6, 2.0 and 4.0) in the presence/absence of 50 mmol oxalic acid/kg soil, respectively. The effects of treatments were evaluated using single extraction with deionized water or Ca Cl2, Community Bureau of Reference(BCR) sequential extraction and toxicity characteristic leaching procedure(TCLP)methods. Our results showed that the concentration of water extractable, exchangeable and TCLP-Pb all decreased with incubation time. The concentration of water-extractable Pb after120 days was reduced by 100% when soils were amended with APR, HAP and HAP + OA, and the TCLP-Pb was <5 mg/L for the red soil at P:Pb molar ratio 4.0. Water-soluble Pb could not be detected and the TCLP-Pb was <5 mg/L at all treatments applied to the yellow-brown soil. BCR results indicated that APR was most effective, although a slight enhancement of water-soluble phosphate was detected at the P:Pb molar ratio 4.0 at the beginning of incubation. Oxalic acid activated phosphates, and so mixing insoluble phosphates with oxalic acid may be a useful strategy to improve their effectiveness in reducing Pb bioavailability.Xiaojuan Su Jun Zhu Qingling Fu Jichao Zuo Yonghong Liu Hongqing Hu 2015Journal of Environmental Sciences2015,27,2:9
11Spur Gear Tooth Pitting Propagation Assessment Using Model-based Analysis显示文摘Tooth pitting is a common failure mode of a gearbox. Many researchers investigated dynamic properties of a gearbox with localized pitting damage on a single gear tooth. The dynamic properties of a gearbox with pitting distributed over multiple teeth have rarely been investigated. In this paper, gear tooth pitting propagation to neighboring teeth is modeled and investigated for a pair of spur gears. Tooth pitting propagation effect on time-varying mesh stiffness, gearbox dynamics and vibration characteristics is studied and then fault symptoms are revealed.In addition, the influence of gear mesh damping and environmental noise on gearbox vibration properties is investigated. In the end, 114 statistical features are tested to estimate tooth pitting growth. Statistical features that are insensitive to gear mesh damping and environmental noise are recommended.Xi-Hui Liang Zhi-Liang Liu Jun Pan Ming Jian Zuo 2017Chinese Journal of Mechanical Engineering2017,30,6:8
12Performance and microbial community analysis of an algal-activated sludge symbiotic system: Effect of activated sludge concentration显示文摘It was focused on the effect of different sludge concentrations on the performances of an algal-activated sludge symbiotic system in terms of wastewater treatment, algal-activated sludge characteristics and community structure. The results showed that the highest nutrient removal efficiencies were obtained in the reactor R^2 with soluble chemical oxygen demand(sC OD), ammonia nitrogen(NH_4^+-N) and phosphate(PO_4^(3-)-P) removal efficiencies of(90.6 ± 2.3)%,(97.69 ± 2.6)% and(83.81 ± 2.3)%, respectively. Further investigation exhibited that sludge concentration has a great effect on the dissolved oxygen(DO) concentration, the pH, the growth of algae and the extracellular polymeric substance(EPS) production, which resulted in influencing the settleability and the performance of symbiotic system. The denaturing gradient gel electrophoresis(DGGE) analysis demonstrated that the sludge concentration had a selective power for particular members of algae. Meantime, the stimulated algal population would selectively excite the members of bacteria benefited for the formation of algal-bacterial consortia.The variation of microbial compositions, which was influenced by the different sludge concentrations, might be ultimately responsible for the different treatment performances.Li Sun Wei Zuo Yu Tian Jun Zhang Jia Liu Ni Sun Jianzheng Li 2019Journal of Environmental Sciences2019,31,2:8
13Comparative studies on epithelial lesions at gastric cardia and pyloric antrum in subjects from a high incidence area for esophageal cancer in Henan,China显示文摘ComparativestudiesonepitheliallesionsatgastriccardiaandpyloricantruminsubjectsfromahighincidenceareaforesophagealcancerinHena...GAO ShanShan1, ZHOU Qi1, LI YongXin1, BAI YongMin1, ZHENG ZuoYu1, ZOU JianXiang1, LIU Gang1, FAN ZongMin1, QI YiJun1, ZHAO Xin1 and WANG LiDong1,2Keywords esophageal neoplasms stomach neoplasms gastric ca 1998World Journal of Gastroenterology1998,4,4:8
14Over-expression of small ubiquitin-like modifier proteases 1 predicts chemo-sensitivity and poor survival in non-small cell lung cancer显示文摘Mu Juwei Zuo Yong Yang Wenjing Chen Zhaoli Liu Ziyuan Tu Jun Li Yan Yuan Zuyang Cheng Jinke He Jie 2014Chinese Medical Journal2014,,23:7
15Shifts in microbial community structure and diversity in a MBR combined with worm reactors treating synthetic wastewater显示文摘The chemical oxygen demand(COD) and NH_3-N removal, membrane fouling, sludge characteristics and microbial community structure in a membrane bioreactor(MBR) coupled with worm reactors(SSBWR) were evaluated for 210 days. The obtained results were compared to those from a conventional MBR(C-MBR) operated in parallel. The results indicated that the combined MBR(S-MBR) achieved higher COD and NH_3-N removal efficiency,slower increase in membrane fouling, better sludge settleability and higher activities of the related enzymes in the activated sludge. Denaturing gradient gel electrophoresis was used to analyze the microbial community structures in the C-MBR and the S-MBR. The microbial community structure in the S-MBR was more diverse than that in the C-MBR. Additionally, the slow-growing microbes such as Saprospiraceae, Actinomyces, Frankia, Clostridium, Comamonas,Pseudomonas, Dechloromonas and Flavobacterium were enriched in the S-MBR, further accounting for the sludge reduction, membrane fouling alleviation and wastewater treatment.Jia Liu Wei Zuo Jun Zhang Hui Li Lipin Li Yu Tian 2017Journal of Environmental Sciences2017,29,4:7
1630 GHz GeSn photodetector on SOI substrate for 2 µm wavelength application显示文摘We report the demonstration of a normal-incidence p-i-n germanium-tin(Ge_(0.951)Sn_(0.049))photodetector on silicon-on-insulator substrate for 2μm wavelength application.The DC and RF characteristics of the devices have been characterized.A dark current density under−1 V bias of approximately 125 mA/cm^(2) is achieved at room temperature,and the optical responsivity of 14 mA/W is realized for illumination wavelength of 2μm under−1 V reverse bias.In addition,a 3 dB bandwidth(f_(3dB))of around 30 GHz is achieved at−3 V,which is the highest reported value among all group III–V and group IV photodetectors working in the 2μm wavelength range.This work illustrates that a GeSn photodetector has great prospects in 2μm wavelength optical communication.Xiuli Li Linzhi Peng Zhi Liu Zhiqi Zhou Jun Zheng Chunlai Xue Yuhua Zuo Baile Chen Buwen Cheng 2021Photonics Research2021,9,4:6
17Data Analysis of Chang'E-1 Gamma-Ray Spectrometer and Global Distribution of U,K,and Th Elemental Abundances显示文摘Gamma 光线分光计(GRS ) 是 Chang'E-1 (CE-1 ) 上的主要收费载重之一月亮的探查,主要试图在月亮的表面上检测元素的丰富和分布。在 03:58 在 2007 年 11 月 28 日,它执行了月亮的 gamma 光线的第一观察。2008 年 10 月 24 日,有效 gamma 光线系列的 2105 h 被 CE-1 GRS 获得了,它盖住月亮的整个表面。这份报纸主要描述处理由使用导出元素的丰富的过程和 CE-1 GRS 时间系列改正了系列的方法的数据:首先,到进为印射的象素的箱数据;然后,执行累积系列的背景扣除并且获得元素的一个山峰区域;并且最后,当模特儿使用元素的丰富倒置生产元素的丰富。在这些上基于比 EPR 在 5s 处理方法, U 的全球丰富地图, K,和 Th。在在 near-EPR 海底山下面的岩浆结晶化压力和融化的条件之间的关联暗示来源吗?ZOU Yongliao ZHANG Liyan LIU Jianzhong MU Lingli REN Xin ZHANG Guangliang CHANG Jin YAN Jun ZHANG Nan ZHANG Hongbo LU Chang LIU Jianjun ZUO Wei SU Yan WEN Weibin BIAN Wei WANG Min XU Chun LI Chunlai OUYANG Ziyuan 2011Acta Geologica Sinica(English Edition)2011,85,6:6
18Dynamic correlation of diffusion tensor imaging and neurological function scores in beagles with spinal cord injury显示文摘Exploring the relationship between different structure of the spinal cord and functional assessment after spinal cord injury is important. Quantitative diffusion tensor imaging can provide information about the microstructure of nerve tissue and can quantify the pathological damage of spinal cord white matter and gray matter. In this study, a custom-designed spinal cord contusion-impactor was used to damage the T_(10) spinal cord of beagles. Diffusion tensor imaging was used to observe changes in the whole spinal cord, white matter, and gray matter, and the Texas Spinal Cord Injury Score was used to assess changes in neurological function at 3 hours, 24 hours, 6 weeks, and 12 weeks after injury. With time, fractional anisotropy values after spinal cord injury showed a downward trend, and the apparent diffusion coefficient, mean diffusivity, and radial diffusivity first decreased and then increased. The apparent diffusion-coefficient value was highly associated with the Texas Spinal Cord Injury Score for the whole spinal cord(R = 0.919, P = 0.027), white matter(R = 0.932, P = 0.021), and gray matter(R = 0.882, P = 0.048). Additionally, the other parameters had almost no correlation with the score(P > 0.05). In conclusion, the highest and most significant correlation between diffusion parameters and neurological function was the apparent diffusion-coefficient value for white matter, indicating that it could be used to predict the recovery of neurological function accurately after spinal cord injury.Chang-Bin Liu De-Gang Yang Qian-Ru Meng Da-Peng Li Ming-Liang Yang Wei Sun Wen-Hao Zhang Chang Cai Liang-Jie Du Jun Li Feng Gao Yan Yu Xin Zhang Zhen-Tao Zuo Jian-Jun Li 2018Neural Regeneration Research2018,13,5:6
19A transient expression system in soybean mesophyll protoplasts reveals the formation of cytoplasmic GmCRY1 photobody-like structures显示文摘Soybean(Glycine max(L.) Merr.), grown for its plant oils and proteins, is one of the most important crops throughout the world.Generating stable and heritable transgenic soybeans is relatively inefficient;therefore, there is an urgent need for a simple and high-efficient transient transformation method by which to enable the investigation of gene functions in soybeans, which will facilitate the elucidation and improvement of the molecular mechanisms regulating the associated agronomic traits. We established a system of transient expression in soybean mesophyll protoplasts and obtained a high level of protoplast transfection efficiency(up to 83.5%). The subcellular activity of the protoplasts was well preserved, as demonstrated by the dynamic formation of GmCRY nucleus photobodies(NPs) and/or cytoplasmic photobody-like structures(CPs) in response to blue light.In addition, we showed that GmCRY1b CPs colocalized with GmCOP1b, a co-ortholog of Arabidopsis thaliana CONSTITUTIVE PHOTOMORPHOGENIC 1(COP1), which provided new insight into the potential roles of GmCRY1s in the cytoplasm.Lu Xiong Cong Li Hongyu Li Xiangguang Lyu Tao Zhao Jun Liu Zecheng Zuo Bin Liu 2019Science China(Life Sciences)2019,62,8:6
20Activation of the ERK signaling pathway is involved in CD151-induced angiogenic effects on the formation of CD151-integrin complexes显示文摘Hou-juan ZUO Jing-yang LIN Zhao-yu LIU Wei-feng LIU Tao LIU Jun YANG Yu LIU Dao-wen WANG Zheng-xiang LIU 2010Acta Pharmacologica Sinica2010,31,7:6
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