Time:2013-07-12 view:
Xu J, Zervopoulos P, Qian Z, Cheng Gang. A universal solution for units-invariance in data envelopment analysis. Theoretical and Practical Research in Economic Fields, 2012, 3(2): 121-8.
Prev:Hou Z, Van de Poel E, Van Doorslaer E, Yu B, Meng Q. Effects of NCMS coverage on access to care and financial protection in China.
Next:Målqvist M, Yuan B, Trygg N. et al. Targeted interventions for improved equity in maternal and child health in low- and middle-income settings: a systematic review and meta-analysis.
