PLoS ONE, Volume 16, No. 2 February, Year 2021
BMC Health Services Research, Volume 15, No. 1, Year 2015
PLoS ONE, Volume 16, No. 8 August, Year 2021
PLoS ONE, Volume 15, No. 8 August 2020, Year 2020
The Lancet Global Health, Volume 8, No. 8, Year 2020
Gates Open Research, Volume 3, Year 2019
PLoS ONE, Volume 8, No. 10, Year 2013
International Journal of Gynecology and Obstetrics, Volume 153, No. 1, Year 2021