Lu, C.; Schneider, M. T.; Gubbins, P.; Leach-Kemon, K.; Jamison, D.; Murray, C. J. Public financing of health in developing countries: A cross-national systematic analysis. The Lancet. 2010, 375 (9723): 1375–1387. PMID 20381856. doi:10.1016/S0140-6736(10)60233-4.
Lu, C.; Schneider, M. T.; Gubbins, P.; Leach-Kemon, K.; Jamison, D.; Murray, C. J. Public financing of health in developing countries: A cross-national systematic analysis. The Lancet. 2010, 375 (9723): 1375–1387. PMID 20381856. doi:10.1016/S0140-6736(10)60233-4.