17.下列那兩條血管通常匯集至門靜脈?
(A)hepatic and superior mesenteric veins
(B)superior mesenteric and splenic veins
(C)splenic and renal veins
(D)hepatic and splenic veins
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統計: A(458), B(1409), C(126), D(485), E(0) #2626172
統計: A(458), B(1409), C(126), D(485), E(0) #2626172