Medical Care, Vol. 45, No. 10, Supplement 2: Comparative Effectiveness and Safety: Emerging Methods (Oct., 2007), pp. S143-S148 (6 pages) Background: In observational research, propensity score ...
International Journal of Health Care Finance and Economics, Vol. 5, No. 3 (Sep., 2005), pp. 211-239 (29 pages) This paper evaluates the impact of Colombia's subsidized health insurance program (SUBS) ...
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