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| 1 | Diagnosis of gastrointestinal bleeding: A practical guide for clinicians显示文摘Gastrointestinal bleeding is a common problem encountered in the emergency department and in the primary care setting. Acute or overt gastrointestinal bleeding is visible in the form of hematemesis, melena or hematochezia. Chronic or occult gastrointestinal bleeding is notapparent to the patient and usually presents as positive fecal occult blood or iron deficiency anemia. Obscure gastrointestinal bleeding is recurrent bleeding when the source remains unidentified after upper endoscopy and colonoscopic evaluation and is usually from the small intestine. Accurate clinical diagnosis is crucial and guides definitive investigations and interventions. This review summarizes the overall diagnostic approach to gastrointestinal bleeding and provides a practical guide for clinicians. | Bong Sik Matthew Kim Bob T Li Alexander Engel Jaswinder S Samra Stephen Clarke Ian D Norton Angela E Li | 2014 | World Journal of Gastrointestinal Pathophysiology2014，5，4： | 13 |
| 2 | Laparoscopy in Combination with Fast Track Multimodal Management is the Best Perioperative Strategy in Patients Undergoing Colonic Surgery: A Randomized Clinical Trial (LAFA-study)显示文摘 | Malaika S. Vlug Jan Wind Markus W. Hollmann Dirk T. Ubbink Huib A. Cense Alexander F. Engel Michael F. Gerhards Bart A. van Wagensveld Edwin S. van der Zaag Anna A.W. van Geloven Mirjam A.G. Sprangers Miguel A. Cuesta Willem A. Bemelman | 2011 | Annals of Surgery2011，，6： | 3 |
| 3 | 采用应变梯度硬化模型预测黄铜薄板微弯曲弯矩显示文摘通过黄铜板料微弯曲实验,发现其弯曲弯矩存在明显的尺寸效应现象,随板料厚度的减小,弯曲弯矩增大.采用经典塑性理论和不同的应变梯度理论对微弯曲弯矩进行了预测,对比分析结果表明:修正的Nix-Gao模型的预测结果更接近于实验结果,并且得出了合理的内禀尺寸表达式;该内禀尺寸与材料的剪切模量、初始屈服极限、柏氏矢量和板料厚度方向上的孪晶数有关. | 李河宗 董湘怀 申昱 Alexander Diehl Hinnerk Hagenah Ulf Engel Marion Merklein | 2011 | 上海交通大学学报2011，45，11： | 2 |
| 4 | Multimodal Brain-Computer Interfaces显示文摘A critical parameter of brain-computer interfaces(BCIs) is the number of dimensions a user can control independently.One way to increment this number without increasing the mental effort required to operate the system is to stimulate several sensory modalities simultaneously,and to distinguish brain activity patterns when the user focuses attention to different elements of this multisensory input.In this article we show how shifting attention between simultaneously presented tactile and visual stimuli affects the electrical brain activity of human subjects,and that this signal can be used to augment the control information from the two uni-modal BCI subsystems. | Alexander Maye Dan ZHANG Yijun WANG Shangkai GAO Andreas K. Engel | 2011 | Tsinghua Science and Technology2011，16，2： | 2 |
| 5 | Laparoscopy in Combination with Fast Track Multimodal Management is the Best Perioperative Strategy in Patients Undergoing Colonic Surgery: A Randomized Clinical Trial (LAFA-study)显示文摘 | Malaika S. Vlug Jan Wind Markus W. Hollmann Dirk T. Ubbink Huib A. Cense Alexander F. Engel Michael F. Gerhards Bart A. van Wagensveld Edwin S. van der Zaag Anna A.W. van Geloven Mirjam A.G. Sprangers Miguel A. Cuesta Willem A. Bemelman | 2011 | Annals of Surgery2011，，6： | 1 |
| 6 | Inhalation of Nitric Oxide Prevents Ischemic Brain Damage in Experimental Stroke by Selective Dilatation of Collateral Arterioles显示文摘 | Nicole A. Terpolilli Seong-Woong Kim Serge C. Thal Hiroharu Kataoka Vilia Zeisig Bjoern Nitzsche Benjamin Klaesner Changlian Zhu Susanne Schwarzmaier Lilja Meissner Uta Mamrak Doortje C. Engel Alexander Drzezga Rakesh P. Patel Klas Blomgren Henryk Barthel | 2012 | Circulation Research2012，，5： | 1 |
| 7 | Proposal for a Multifactorial Prognostic Score That Accurately Classifies 3 Groups of Gastric Carcinoma Patients With Different Outcomes After Neoadjuvant Chemotherapy and Surgery显示文摘 | Karen Becker Daniel Reim Alexander Novotny Christian Meyer zum Büschenfelde Jutta Engel Helmut Friess Heinz H?fler Rupert Langer | 2012 | Annals of Surgery2012，，6： | 1 |
| 8 | Laparoscopy in Combination with Fast Track Multimodal Management is the Best Perioperative Strategy in Patients Undergoing Colonic Surgery: A Randomized Clinical Trial (LAFA-study)显示文摘 | Malaika S. Vlug Jan Wind Markus W. Hollmann Dirk T. Ubbink Huib A. Cense Alexander F. Engel Michael F. Gerhards Bart A. van Wagensveld Edwin S. van der Zaag Anna A.W. van Geloven Mirjam A.G. Sprangers Miguel A. Cuesta Willem A. Bemelman | 2011 | Annals of Surgery2011，，6： | 1 |
| 9 | Polarized proton beams from laser-induced plasmas显示文摘We report on the concept of an innovative source to produce polarized proton/deuteron beams of a kinetic energy up to several GeV from a laser-driven plasma accelerator. Spin effects have been implemented into the particle-in-cell(PIC) simulation code VLPL(Virtual Laser Plasma Lab) to make theoretical predictions about the behavior of proton spins in laser-induced plasmas. Simulations of spin-polarized targets show that the polarization is conserved during the acceleration process. For the experimental realization, a polarized HCl gas-jet target is under construction using the fundamental wavelength of a Nd:YAG laser system to align the HCl bonds and simultaneously circularly polarized light of the fifth harmonic to photo-dissociate, yielding nuclear polarized H atoms. Subsequently, their degree of polarization is measured with a Lamb-shift polarimeter. The final experiments, aiming at the first observation of a polarized particle beam from laser-generated plasmas, will be carried out at the 10 PW laser system SULF at SIOM, Shanghai. | Anna Hützen Johannes Thomas Jürgen B?ker Ralf Engels Ralf Gebel Andreas Lehrach Alexander Pukhov T.Peter Rakitzis Dimitris Sofikitis Markus Büscher | 2019 | High Power Laser Science and Engineering2019，7，1： | 1 |
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