肛门外括约肌深部位于()
A.皮下部的上外侧
B.浅部的上外侧
C.内括约肌的下方
D.浅部的上方
参考答案:B
Linda is her mother in many ways. For example, they are both tall and thin.[ ]
A. similar to
B. kind to
C. friendly to
D. different from
下列除哪条外均与胰岛细胞瘤有因果关系()
A.精神病发作
B.精神的衰退
C.顽固性胃十二指肠溃疡
D.库欣(Cushing)综合征
E.发作性低血糖