期刊
INTERNATIONAL JOURNAL OF GYNECOLOGY & OBSTETRICS
卷 113, 期 3, 页码 240-241出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijgo.2011.01.005
关键词
Delhi; Direct ELISA; Newborns; Nutritional supplements; Pregnancy; Vitamin D-3