18.主胰管(main pancreatic duct)及膽管(bile duct)會共同開口於何處?
(A)十二指腸上段(superior part of duodenum)
(B)十二指腸下降段(descending part of duodenum)
(C)十二指腸水平段(horizontal part of duodenum)
(D)十二指腸上升段(ascending part of duodenum)
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統計: A(52), B(725), C(21), D(19), E(0) #3199236
統計: A(52), B(725), C(21), D(19), E(0) #3199236