Bolaños-Díaz, R.; Mezones-Holguín, E.; Gutiérrez-Aguado, A.; Málaga, G. Synthesis Studies As the Basis for Economic Evaluations in Health: The Need for Their Quality Appraisal. Rev Peru Med Exp Salud Publica 2011, 28 (3). https://doi.org/10.17843/rpmesp.2011.283.534.