1. SFA vs. DEA for measuring healthcare efficiency: a systematic review;Katharakis G;Int J Stat Med Res,2013
2. A systematic review of hospital inputs and outputs in measuring technical efficiency using data envelopment analysis;Azreena E;Int J Public Health Clin Sci,2018
3. 20 years of studies on technical and scale efficiency in the hospital sector: a review of methodological approaches;Giancotti M;Int J Bus Manag Invent,2016
4. Effect of centralization on geographic accessibility of maternity hospitals in Finland