1. Caries in primary dentition related to age, sex, social status, and county of residence in Finland;Milen;Community Dentistry and Oral Epidemiolgy,1981
2. Variations in the prevalence and extent of periodontitis;Oliver;Journal of the American Dental Association,1991
3. Personality factors, demographic variables, and indices of periodontal disease in normal, community dwelling males;Garvey;Special Care Dentistry,1988
4. The effect of social class on the prevalence of caries, plaque, gingivitis and pocketing in 11-12-year-old children in South Wales;Dummer;Journal of Dentistry,1987
5. Review of oral diseases in Africa and the influence of socio-economic factors;Enwonwu;International Dental Journal,1980