BMC Health Services Research, Volume 20, No. 1, Year 2020
BMC Health Services Research, Volume 21, No. 1, Year 2021
BMC Health Services Research, Volume 15, No. 1, Year 2015
Social Science and Medicine, Volume 148, Year 2016
Social Science and Medicine, Volume 160, Year 2016
BMC Health Services Research, Volume 20, No. 1, Year 2020