64.下列何種神經傳導物質不需經由受器(receptor)產生作用?
(A)cannabinoid
(B)ATP
(C)nitric oxide
(D)β-endorphin
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統計: A(137), B(426), C(912), D(171), E(0) #1947787
統計: A(137), B(426), C(912), D(171), E(0) #1947787