BMC Public Health, Volume 16, No. 1, Year 2016
Human Resources for Health, Volume 17, No. 1, Year 2019
Bulletin of the World Health Organization, Volume 93, No. 9, Year 2015
BMC Pregnancy and Childbirth, Volume 18, No. 1, Year 2018
Reproductive Health, Volume 15, No. 1, Year 2018