1. Marmot M . Epidemiology of socioeconomic status and health: are determinants within countries the same as between countries? In N E Adler, M Marmot, B S McEwen Stewart J, Eds. Socioeconomic status and health in industrial nations – social, psychological and biological pathways. Annals of the New York Academy of Sciences 1999; 896: 16–29
2. Sheiham S, Watt RG In Gordon D, Shaw M, Dorling D, Davey G, Smith Eds. Inequalities in Health Bristol: The Policy Press, University of Bristol 1999 240–249
3. World Health Organization The Ottawa Charter for Health Promotion Health Promotion 1. iii-v, Geneva, WHO 1986
4. Tarlov AR . Public policy frameworks for improving population health In: Adler N E, Marmot M, McEwen B S, Stewart J, (Eds). Socioeconomic status and health in industrial nations – social, psychological and biological pathways. Annals of the New York Academy of Sciences 1999; 896: 281–293
5. Johnson NW . Orofacial neoplasms: global epidemiology, risk factors and recommendations for research Int Dent J 1991; 41: 365–375