APA

Bais J. M. J., Eskes M., Pel M., Bonsel G. J. & Bleker O. P. (20041209). Postpartum haemorrhage in nulliparous women: incidence and risk factors in low and high risk women. A Dutch population-based cohort study on standard (> or = 500 ml) and severe (> or = 1000 ml) postpartum haemorrhage. : European journal of obstetrics, gynecology, and reproductive biology.

Chicago

Bais Joke M J, Eskes Martine, Pel Maria, Bonsel Gouke J and Bleker Otto P. 20041209. Postpartum haemorrhage in nulliparous women: incidence and risk factors in low and high risk women. A Dutch population-based cohort study on standard (> or = 500 ml) and severe (> or = 1000 ml) postpartum haemorrhage. : European journal of obstetrics, gynecology, and reproductive biology.

Harvard

Bais J. M. J., Eskes M., Pel M., Bonsel G. J. and Bleker O. P. (20041209). Postpartum haemorrhage in nulliparous women: incidence and risk factors in low and high risk women. A Dutch population-based cohort study on standard (> or = 500 ml) and severe (> or = 1000 ml) postpartum haemorrhage. : European journal of obstetrics, gynecology, and reproductive biology.

MLA

Bais Joke M J, Eskes Martine, Pel Maria, Bonsel Gouke J and Bleker Otto P. Postpartum haemorrhage in nulliparous women: incidence and risk factors in low and high risk women. A Dutch population-based cohort study on standard (> or = 500 ml) and severe (> or = 1000 ml) postpartum haemorrhage. : European journal of obstetrics, gynecology, and reproductive biology. 20041209.