21.下列何種分子平時並不存於肥大細胞顆粒內?
(A)histamine
(B)neutrophil chemotactic factor
(C)eosinophil chemotactic factor of anaphylaxis
(D)platelet activating factor
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統計: A(88), B(217), C(131), D(862), E(0) #781211
統計: A(88), B(217), C(131), D(862), E(0) #781211