题目内容
关于脐疝,下列哪项是的( )。
2021-10-11
A.由于脐环闭锁不全、“痕组织不坚固所致
B.多数是婴儿或中年经产妇
C.婴儿未闭的脐环,在2岁之后才能自行闭锁
D.手术修补原则是切除疝囊
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