1. Sharing Resources for Health in England. Report of the Resource Allocation Working Party;Department of Health and Social Security,1976
2. Health Statistics Today and Tomorrow;U.S. National Center for Health Statistics,1973
3. General Household Survey Introductory Report by the Social Survey Division;Office of Population Censuses and Surveys,1973
4. General Household Survev, 1972;Office of Population Censuses and Surveys,1975