National Center for Health Services Research. (1983). Contacts with physicians in ambulatory settings: Rates of use, expenditures, and sources of payment. U.S. Dept. of Health and Human Services, Public Health Service, Office of the Assistant Secretary for Health, National Center for Health Services Research.
Chicago Style (17th ed.) CitationNational Center for Health Services Research. Contacts with Physicians in Ambulatory Settings: Rates of Use, Expenditures, and Sources of Payment. Rockville, Md.: U.S. Dept. of Health and Human Services, Public Health Service, Office of the Assistant Secretary for Health, National Center for Health Services Research, 1983.
MLA (9th ed.) CitationNational Center for Health Services Research. Contacts with Physicians in Ambulatory Settings: Rates of Use, Expenditures, and Sources of Payment. U.S. Dept. of Health and Human Services, Public Health Service, Office of the Assistant Secretary for Health, National Center for Health Services Research, 1983.