BMJ Open, Volume 12, No. 11, Year 2022
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BMJ Global Health, Volume 4, Year 2019
BMC Pregnancy and Childbirth, Volume 15, No. 1, Year 2015
BMC Pregnancy and Childbirth, Volume 19, No. 1, Year 2019
BMC Pregnancy and Childbirth, Volume 17, No. 1, Year 2017
International Journal of Gynecology and Obstetrics, Volume 115, No. 1, Year 2011