选择题:关于胆石症,哪项是正确的?() A.肝内胆管结石,右肝管多于左肝管 B.胆囊结石多为胆固醇结石或混合

题目内容:
关于胆石症,哪项是正确的?()
A.肝内胆管结石,右肝管多于左肝管
B.胆囊结石多为胆固醇结石或混合性结石
c.胆色素结石的剖面,中心是放射状而外周呈层状
D胆道蛔虫所致结石多为混合性结石
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