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Author/Creator
- National Center for Health Statistics (U.S.)61
- National Center for Health Statistics (U.S.), issuing body38
- Cypress, Beulah K.10
- National Health Interview Survey (U.S.)9
- National Ambulatory Medical Care Survey (U.S.)5
- National Center for Health Statistics (U.S.). Division of Health Interview Statistics5
- Wilder, Charles S.5
- Hing, Esther4
- United States. Health Care Financing Administration. Office of Research and Demonstrations4
- Harlan, William R., 1930-3
- Ries, Peter W.3
- Berki, Sylvester E.2
- Collins, John Gary2
- Cox, Brenda G.2
- Dennison, Charles F.2
- Dicker, Marvin2
- Drury, Thomas F.2
- Folsom, Ralph E.2
- Gentile, Augustine2
- Guyana. Ministry of Health2