15.下列何者主要源自於左冠狀動脈(left coronary artery)?
(A)前室間動脈(anterior interventricular artery)
(B)邊緣動脈(marginal artery)
(C)後室間動脈(posterior interventricular artery)
(D)冠狀竇(coronary sinus)
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統計: A(12), B(0), C(3), D(5), E(0) #3816810
統計: A(12), B(0), C(3), D(5), E(0) #3816810