The NIH unitage is based upon the ability of a vaccine to protect mice against a standard intracerebral infection. NIH单位值是根据保护小白鼠大脑内免受一次标准感染的能力而制定的。
Objective: To evaluate the findings of perifocal edema on CT scan in differentiating acute intratumoral hemorrhage from simple intracerebral hematoma. 探讨灶周水肿对脑瘤卒中与单纯脑出血的CT鉴别诊断的辅助价值。