Tobacco / Self Control / Health Services / Chronic Disease / Socioeconomic Status / Health Status / Access to Health Care / Desarrollo y Sociedad / Selection Bias / Health Status / Access to Health Care / Desarrollo y Sociedad / Selection Bias
Tobacco / Self Control / Health Services / Chronic Disease / Socioeconomic Status / Health Status / Access to Health Care / Desarrollo y Sociedad / Selection Bias / Health Status / Access to Health Care / Desarrollo y Sociedad / Selection Bias