Zwart, J., Richters, J., Öry, F., De Vries, J., Bloemenkamp, K., & Van Roosmalen, J. (2008). Severe maternal morbidity during pregnancy, delivery and puerperium in the Netherlands: A nationwide population‐based study of 371 000 pregnancies. BJOG : an international journal of obstetrics and gynaecology, 115(7), 842-850. https://doi.org/10.1111/j.1471-0528.2008.01713.x
Chicago Style (17th ed.) CitationZwart, JJ, JM Richters, F. Öry, JIP De Vries, KWM Bloemenkamp, and J. Van Roosmalen. "Severe Maternal Morbidity During Pregnancy, Delivery and Puerperium in the Netherlands: A Nationwide Population‐based Study of 371 000 Pregnancies." BJOG : An International Journal of Obstetrics and Gynaecology 115, no. 7 (2008): 842-850. https://doi.org/10.1111/j.1471-0528.2008.01713.x.
MLA (9th ed.) CitationZwart, JJ, et al. "Severe Maternal Morbidity During Pregnancy, Delivery and Puerperium in the Netherlands: A Nationwide Population‐based Study of 371 000 Pregnancies." BJOG : An International Journal of Obstetrics and Gynaecology, vol. 115, no. 7, 2008, pp. 842-850, https://doi.org/10.1111/j.1471-0528.2008.01713.x.