6下列那些激素可刺激紅血球增生？①Testosterone ②Androgenic steroid ③Erythropoietin ④Tumor necrosis factor(TNF)
(A)①④
(B)①②④
(C)①②③
(D)①②③④

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統計： A(0), B(0), C(11), D(8), E(0) #2987178