19.兒童佝僂症與下列何種營養素缺乏有關?
(A)Vitamin A
(B)Vitamin C
(C)Vitamin K
(D)Vitamin D
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統計: A(4), B(1), C(21), D(582), E(0) #3387634
統計: A(4), B(1), C(21), D(582), E(0) #3387634