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67篇 您的检索式:作者名="Helpern JA"
    题名 作者 年代 出处 被引量
1Correction of motion artifacts in diffusion-weighted MR images using navigator echoes显示文摘Ordidge RJ Helpern JA Qing ZX 1994Magn Reson Imaging1994,12,:1
2Quantitative MR imaging in Alzhei-mer disease 显示文摘Ramani A Jensen JH Helpern JA 2006Radiology2006,241,1:1
3Diffusional kurtosis imaging: the quantification of non-gaussian water diffusion by means of magnetic resonance imaging显示文摘Jensen JH Helpern JA Ramani A 2005Magn Resort Med2005,53,6:1
4Acute elevation and recovery of intracellular following human focal cerebrail ischemia 显示文摘Helpern JA Vande linde AMQ Welch KMA 1993Neurology1993,43,8:1
5Prelimina-ry observations of increased diffusional kurtosis in human brainfollowing recent cerebral infarction 显示文摘Jensen J H Falangola M F Hu C Helpern JA 2011NMR Biomed2011,245,:1
6MRI assessment of Evolving focal cerebral ischemia:Comparison with histopathology in rats显示文摘Knight RA Dereski MO Helpern JA 1994Stroke1994,25,:1
7Perfusion imaging using FOCI RF pulses显示文摘Yongbi MN Branch CA Helpern JA 1998Magn Reson Med1998,40,6:1
8MRI quantification of non-Gaussian water diffusion by kurtosis analysis显示文摘Jensen JH Helpern JA 2010NMR Biomed2010,23,7:1
9MRI quantification of uon-Gaus- sian water diffusion by kurtosis analysis显示文摘Jensen JH Helpern JA 2010NMR Biomed2010,23,7:1
10Diffusional kur- tosis imaging: the quantification of non-gaussian water diffusion by means of magnetic resonance imaging 显示文摘Jensen JH Helpern JA Ramani A 2005Magn Reson Med2005,53,6:1
11MRI quantification of non-Gaussian water diffusion by kurtosis analysis显示文摘Jensen JH Helpern JA 2010NMR Biomed2010,23,:1
12Diffusional kurtosis imaging: The quantification of non-gaussion water diffusion by means of magnetic resonance imaging显示文摘Jensen JH Helpern JA Ramani A 2005Magn Reson Med2005,53,:1
13White matter characterization with diffusional kurtosis imaging显示文摘Fieremans E Jensen JH Helpern JA 2011Neurolmage2011,58,:1
14Temporal evolution of ischemic damage in rat brain measured by proton nuclear magnetic resonsnce imaging显示文摘 Ordidge RJ Helpern JA 1991Stroke1991,22,:1
15Histopathological correlations of nuclear magnetic resonsnce imaging parameters in experimental cerebral ischemia显示文摘 Dereski MO Knight RA 1993Magn Reson Imaging1993,11,:1
16Magnetic resonance imaging assessment of evolving focal cerebral ischemia显示文摘 Dereski MO Helpern JA 1994Stroke1994,25,:1
17MRI quantification of non - Gaussian water diffusion by kurtosis anal- ysis 显示文摘Jensen JH Helpern JA 2010NMR Biomed2010,23,7:1
18Quantitative assessment of diffusional kurtosis anisotropy显示文摘Glenn GR Helpern JA Tabesh A 2015NMR Biomed2015,28,:1
19Prolonged deterioration of ischemic brain energy metabolism and acidosis associated with hyperglycemia: humancerebral infarction studied by serial 31P NMR spectroscopy显示文摘Levine SR Welch KM Helpern JA Chopp M Bruce R Selwa J 1988Ann Neurol1988,23,4:1
20Preliminary evidence of altered gray and white matter microstructural development in the frontal lobe of adolescents with attention-deficit hyperactivity disor- der : a diffusional kurtosis imaging study 显示文摘Helpern JA Adisetiyo V Falangola MF 2011J Magn Reson Ima- ging2011,33,:1
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