BMC Pregnancy and Childbirth, Volume 15, No. 1, Year 2015
BMC Pregnancy and Childbirth, Volume 14, No. 1, Year 2014
Global Health Action, Volume 10, No. 1, Year 2017
PLoS ONE, Volume 10, No. 7, Year 2015
International Journal for Equity in Health, Volume 12, No. 1, Year 2013
BMC Pregnancy and Childbirth, Volume 14, No. 1, Year 2014
BMC Pregnancy and Childbirth, Volume 18, No. 1, Year 2018
BMC Pregnancy and Childbirth, Volume 12, Year 2012