Objective To study the correlative factors of postpartum hemorrhage.
目的：探讨产后出血发生的相关因素和原因。
Objective: to investigate the correlative factors of t lymphocyte cell subsets in the aged.
目的：探讨老年人T淋巴细胞亚群变化的相关因素。
Objective: to study the correlative factors of synechia nasal following endoscopic sinus surgery.
目的：探讨内窥镜鼻窦手术后鼻腔黏连的相关因素及处理方法。
应用推荐