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Health promotion and disease prevention provisional data from the National Health Interview Survey :

Thornberry, Owen T.
[Hyattsville, Md.] : [U.S. Dept. of Health and Human Services, Public Health Service], [1986] 1986

Office visits for preventive care, National Ambulatory Medical Care Survey, United States, 1977-78

Cypress, Beulah K.
[Hyattsville, Md.] : [U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology], [1981] 1981

Office visits for preventive care, national ambulatory medical care survey, United States, 1977-78

Cypress, Beulah K.
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statisitcs, [1981] 1981