Objective: To investigate the relationship of free radical, cerebral blood flow velocities and cerebral vasospasm (CVS) following subarachnoid hemorrhage (SAH).
前言： 目的：探讨自由基、脑血流速度与蛛网膜下腔出血后脑血管痉挛的关系。
Unit head circumference maximum and mean blood flow velocities per minute of fetal middle cerebral artery were changed little during the normal second trimester.
每分钟单位头围大脑中动脉的最大速度及平均速度在中孕期间变化小。
Unit head circumference maximum and mean blood flow velocities per minute of fetal middle cerebral artery were changed little during the normal second trimester.
每分钟单位头围大脑中动脉的最大速度及平均速度在中孕期间变化小。
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