Clinics and Practice, Volume 11, No. 2, Year 2021
BMC Pregnancy and Childbirth, Volume 17, No. 1, Year 2017
International health, Volume 14, No. 6, Year 2022
BMC Pregnancy and Childbirth, Volume 15, No. 1, Year 2015
BMC Pregnancy and Childbirth, Volume 7, Year 2007
BMC Pregnancy and Childbirth, Volume 7, Year 2007
Journal of Public Health Policy, Volume 33, No. 4, Year 2012