PLoS ONE, Volume 13, No. 11, Year 2018
BMC Health Services Research, Volume 20, No. 1, Year 2020
International Journal for Quality in Health Care, Volume 25, No. 5, Year 2013
BMC Pregnancy and Childbirth, Volume 15, No. 1, Year 2015
Reproductive Health, Volume 16, No. 1, Year 2019
BMC Pregnancy and Childbirth, Volume 15, No. 1, Year 2015
BMC Health Services Research, Volume 15, No. 1, Year 2015
BMC Pregnancy and Childbirth, Volume 17, No. 1, Year 2017