Health Policy and Planning, Volume 36, No. 9, Year 2021
BMJ open, Volume 10, No. 9, Year 2020
Health Policy and Planning, Volume 31, Year 2016
BMC Health Services Research, Volume 20, No. 1, Year 2020
PLoS ONE, Volume 10, No. 5, Year 2015
Globalization and Health, Volume 12, No. 1, Year 2016
Globalization and Health, Volume 14, No. 1, Year 2018
PLoS ONE, Volume 16, No. 9 September, Year 2021