脐带脱垂(prolapse of umbilical cord)
脐带帆状附着(cord velamentous insertion)
诊断食管癌的首选检查方法是() ["A．食管粘膜脱落细胞检查","B．食管X线检查","C．食管CT检查","D．内镜检查及活检","E．超声内镜"]
与食管癌关系密切的癌前病变的病理改变是() ["A．食管上皮增生","B．食管粘膜中性粒细胞浸润","C．食管粘膜淋巴细胞浸润","D．食管粘膜糜烂","E．食管粘膜充血水肿"]
完全性子宫破裂(complete rupture ofuterus)
胎儿窘迫
