39.先天性免疫缺陷疾病(primary immunodeficiency disorders),以下列何種細胞缺失在臨床上最常見?
(A)T cells
(B)B cells
(C)Neutrophils
(D)Macrophages
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統計: A(779), B(1330), C(206), D(112), E(0) #2039316
統計: A(779), B(1330), C(206), D(112), E(0) #2039316