冬季早期婴儿维生素D营养状况观察

王晓燕,金春华,吴建新,孙丽娟,刘卓,李云峰,吴光驰

Vitamin D status of early infants in winter in northern China

WANG Xiao-yan,JIN Chun-hua,WU Jian-xin,SUN Li-juan,LIU Zhuo,LI Yun-feng,WU Guang-chi

中国儿童保健杂志 . 2013, (11): 1178 -1181 .