1. Morbidity in the U.S.;Cole,1974
2. Sociology of Medicine;Coe,1978
3. Where Medicine Fails;Strauss,1979
4. U.S. Department of Health, Education and Welfare, Public Health Service. Limitation of Activity Due to Chronic Conditions: United States: 1974. Vital and Health Statistics: Series 10. Data from the National Health Survey; No. 111. DHEW Publication No. (HRA) 76-1537.
5. Social epidemiology of chronic disease;Graham,1979