A.800mg/d B.900mg/d C.1000mg/d D.1100mg/d E.1200mg/d
A.雌激素缺乏 B.缺乏維生素D C.鈣攝入量不足 D.低磷和低鈉飲食 E.過量的飲酒
A.5% B.10% C.15% D.20% E.25%