During 1984 to 1990, a comparative etiologic studyand primary prevention for stomach cancer was carriedout in a high risk area in Zhuanghe County of LiaoningPro
Despite years of effort,no effective acute phase treatment has been discovered for traumatic brain injury.One impediment to successful drug development is entan
The Residual Volume (RV) and Functional ResidualCapacity (FRC) were measured in 49 male workers exposedto cement dust (group A) and 50 male patients with pneu-m