75. 屬於選擇性β2-adrenergic agonists者為:
(A)Metaproterenol(Alupent)
(B)Epinephrine(Adrenalin)
(C)Ipratropium(Atrovent)
(D)Theophylline(Theo-Dur)
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統計: A(790), B(390), C(239), D(262), E(0) #1152124
統計: A(790), B(390), C(239), D(262), E(0) #1152124