Comentarios de Referencias bibliográficas: Modelos de gestión

44. Ramsey F, Ussery-Hall A, Garcia D, McDonald G, Easton A, Kambon M et al. Prevalence of selected risk behaviors and chronic diseases--Behavioral Risk Factor Surveillance System (BRFSS), 39 steps communities, United States, 2005. MMWR Surveill Summ. 2008 Oct 31;57(11):1-20.