题目内容
婴幼儿期维生素D缺乏性狗偻病的预防
2021-11-27
A.夜惊、多汗、摇头、户外活动少
B.围生期孕母补充维生素D日光浴
C.病因存在，体征、血生化与骨X线改变
D.血生化与骨X线改变
E.母乳喂养儿童补充维生素D 400lU/d
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