完全母乳喂养婴儿维生素D补充剂的应用现状
毕晓娜,衣明纪,冉霓
Use of supplemental vitamin D in fully breasted infants in Shandong province
BI Xiao-na, YI Ming-ji, RAN Ni
中国儿童保健杂志 . 2011, (8): 692 -694 .