5.欲使用每瓶含200,000 units penicillin G之粉末,調製為每mL含40,000 units penicillin G之注射液,應加水至
多少mL?
(A)2
(B)5
(C)0.5
(D)0.2
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統計: A(32), B(4512), C(90), D(121), E(0) #1632131
統計: A(32), B(4512), C(90), D(121), E(0) #1632131