BJOG: An International Journal of Obstetrics and Gynaecology, Volume 128, No. 11, Year 2021
Health Policy and Planning, Volume 34, No. 2, Year 2019
BMJ Open, Volume 8, No. 8, Year 2018
BMC Pregnancy and Childbirth, Volume 17, No. 1, Year 2017
PLoS ONE, Volume 13, No. 12, Year 2018
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Midwifery, Volume 41, Year 2016
International Journal of Gynecology and Obstetrics, Volume 123, No. 2, Year 2013