A.400μg DFE/天B.600μg DFE/天C.800μg DFE/天D.1000μg DFE/天
A.50mgB.75mgC.100mgD.200mg
A.參與視網膜的光化學反應B.促進小腸黏膜對鈣的吸收C.促進骨組織的鈣化D.促進腎小管對鈣、磷的重吸收