APA
Ustuner I., Keskin H. L., Tas E. E., Neselioglu S., Sengul O. & Avsar A. F. (20120315). Maternal serum 25(OH)D levels in the third trimester of pregnancy during the winter season. : 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
Ustuner Isik, Keskin H Levent, Tas Emre Erdem, Neselioglu Salim, Sengul Ozlem and Avsar Ayse Filiz. 20120315. Maternal serum 25(OH)D levels in the third trimester of pregnancy during the winter season. : 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
Ustuner I., Keskin H. L., Tas E. E., Neselioglu S., Sengul O. and Avsar A. F. (20120315). Maternal serum 25(OH)D levels in the third trimester of pregnancy during the winter season. : 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
Ustuner Isik, Keskin H Levent, Tas Emre Erdem, Neselioglu Salim, Sengul Ozlem and Avsar Ayse Filiz. Maternal serum 25(OH)D levels in the third trimester of pregnancy during the winter season. : 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. 20120315.