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当前学科：小儿外科强化练习
题目：
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先天性肛门直肠畸形最常见的合并畸形是以下哪一项()
A . A．小肠闭锁
B . B．先天性巨结肠
C . C．会阴部畸形
D . D．泌尿生殖系畸形
E . E．先天性胆道闭锁
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