38.下列藥物何者不具有氣管擴張作用?
(A)theophylline
(B)propranolol
(C)atropine
(D)isoproterenol
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統計: A(78), B(1112), C(511), D(151), E(0) #2744128
統計: A(78), B(1112), C(511), D(151), E(0) #2744128