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2. The National Medical Care Survey: 1973 Summary, United States;National Center for Health Statistics,1975
3. Prevalence of skin diseases in a population: A census study from the Faroe Islands;Lomholt;Danish Medical Bulletin,1964
4. Skin disease in Lambeth: A community study of prevalence and use of medical care;Rea;Br J Prev Soc Med,1976
5. Effects of ionizing radiation on the skin;Johnson,1969