目的探讨远端脾腔静脉分流术治疗门静脉高压症的远期疗效.Objective To evaluate the long - term results and operative experience of distal shunt.结论: 1、大部分CSDH病人有较明确病因,头部外伤最常见,其次为凝血机能障碍和脑积水分流术.Conclusions: 1. The etiology of CSDH could be determined in...
Commutator and brushes shall be free of grease, or other contaminants.换向器和炭刷应无脂或其他污物.Caesium is one of the radio - contaminants discharged from nuclear power plants.铯是核电站排放的放射性物质之一.We are exposed to an overwhelming numbe...