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2. Indicators for oral health and their implications for developing countries;Barmes;International Dental Journal,1983
3. Changing trends in dental caries;Sheiham;International Journal of Epidemiology,1984
4. Oral health of children in Southern Sudan;Dowty;Community Dentistry and Oral Epidemiology,1982
5. The prevalence of dental caries among urban, semi-urban and rural school children in the Sudan;Ibrahim;Odonto-Stomatologie Tropicale,1986