55 口服避孕藥造成靜脈血栓栓塞(venous thromboembolism)不良藥品反應,係以下列何種研究證明其相關性?
(A) Cohort studies
(B) Case control studies
(C) Cross-sectional studies
(D) Case reports
(E) A.B
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統計: A(31), B(19), C(9), D(15), E(456) #417449
統計: A(31), B(19), C(9), D(15), E(456) #417449