APA (7th ed.) Citation

Zhao, J., Berthod, C., Sheehy, O., Kassaï, B., Gorgui, J., & Bérard, A. (2021). Prevalence and duration of prescribed opioid use during pregnancy: A cohort study from the Quebec Pregnancy Cohort. BMC Pregnancy & Childbirth, 21(1), 1. https://doi.org/10.1186/s12884-021-04270-x

Chicago Style (17th ed.) Citation

Zhao, Jin-Ping, Christelle Berthod, Odile Sheehy, Behrouz Kassaï, Jessica Gorgui, and Anick Bérard. "Prevalence and Duration of Prescribed Opioid Use During Pregnancy: A Cohort Study from the Quebec Pregnancy Cohort." BMC Pregnancy & Childbirth 21, no. 1 (2021): 1. https://doi.org/10.1186/s12884-021-04270-x.

MLA (9th ed.) Citation

Zhao, Jin-Ping, et al. "Prevalence and Duration of Prescribed Opioid Use During Pregnancy: A Cohort Study from the Quebec Pregnancy Cohort." BMC Pregnancy & Childbirth, vol. 21, no. 1, 2021, p. 1, https://doi.org/10.1186/s12884-021-04270-x.