47.下列何種支氣管擴張劑之藥效期最長?
(A)albuterol
(B)bitolterol
(C)pirbuterol
(D)salmeterol
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統計: A(848), B(339), C(565), D(6494), E(0) #2037509
統計: A(848), B(339), C(565), D(6494), E(0) #2037509