1. Desigualdad social, salud e intervención;Ramis-Juan;Gac Sanit,1995
2. Social class, life expectancy and overall mortality;Antonovsky;Milbank Memorial Quaterly,1967
3. Differential mortality in the United States. A study of socioeconomic epidemiology;Kitagawa,1973
4. Excess mortality in Harlem;McCord;N Engl J Med,1990
5. La medición de la clase social en ciencias de la salud;Alvarez,1995