Παραπομπή APA

Bolin, M., Åkerud, H., Cnattingius, S., Stephansson, O., & Wikström, A. (2013). Hyperemesis gravidarum and risks of placental dysfunction disorders: A population-based cohort study. Blackwell Publishing Ltd.

Παραπομπή Chicago Style

Bolin, M., H. Åkerud, S. Cnattingius, O. Stephansson, και AK Wikström. Hyperemesis Gravidarum and Risks of Placental Dysfunction Disorders: A Population-based Cohort Study. Blackwell Publishing Ltd, 2013.

Παραπομπή MLA

Bolin, M., et al. Hyperemesis Gravidarum and Risks of Placental Dysfunction Disorders: A Population-based Cohort Study. Blackwell Publishing Ltd, 2013.

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