APA

Baethge C., Blettner M. & Friese K. (20170808). Armbrust et al. 2015: Randomization questionable. : 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

Baethge Christopher, Blettner Maria and Friese Klaus. 20170808. Armbrust et al. 2015: Randomization questionable. : 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

Baethge C., Blettner M. and Friese K. (20170808). Armbrust et al. 2015: Randomization questionable. : 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

Baethge Christopher, Blettner Maria and Friese Klaus. Armbrust et al. 2015: Randomization questionable. : 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. 20170808.