APA
Wei S., Qi H., Luo Z. & Fraser W. D. (20140110). Maternal vitamin D status and adverse pregnancy outcomes: a systematic review and meta-analysis. : The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians.
Chicago
Wei Shu-Qin, Qi Hui-Ping, Luo Zhong-Cheng and Fraser William D. 20140110. Maternal vitamin D status and adverse pregnancy outcomes: a systematic review and meta-analysis. : The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians.
Harvard
Wei S., Qi H., Luo Z. and Fraser W. D. (20140110). Maternal vitamin D status and adverse pregnancy outcomes: a systematic review and meta-analysis. : The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians.
MLA
Wei Shu-Qin, Qi Hui-Ping, Luo Zhong-Cheng and Fraser William D. Maternal vitamin D status and adverse pregnancy outcomes: a systematic review and meta-analysis. : The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians. 20140110.