Paixao, E. S., Bottomley, C., Smeeth, L., da Costa, M. C. N., Teixeira, M. G., Ichihara, M. Y., . . . Campbell, O. M. R. (2021). Using the Robson classification to assess caesarean section rates in Brazil: An observational study of more than 24 million births from 2011 to 2017. BMC Pregnancy & Childbirth, 21(1), 1. https://doi.org/10.1186/s12884-021-04060-5
Chicago Style (17th ed.) CitationPaixao, Enny S., Christian Bottomley, Liam Smeeth, Maria Conceicao N. da Costa, Maria Gloria Teixeira, Maria Yury Ichihara, Ligia Gabrielli, Mauricio L. Barreto, and Oona M. R. Campbell. "Using the Robson Classification to Assess Caesarean Section Rates in Brazil: An Observational Study of More than 24 million Births from 2011 to 2017." BMC Pregnancy & Childbirth 21, no. 1 (2021): 1. https://doi.org/10.1186/s12884-021-04060-5.
MLA (9th ed.) CitationPaixao, Enny S., et al. "Using the Robson Classification to Assess Caesarean Section Rates in Brazil: An Observational Study of More than 24 million Births from 2011 to 2017." BMC Pregnancy & Childbirth, vol. 21, no. 1, 2021, p. 1, https://doi.org/10.1186/s12884-021-04060-5.