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Contraceptive use patterns, prior source, and pregnancy history of female family planning patients,

Eckard, Eugenia.
[Hyattsville, Md.] : [U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology], [1982] 1982

Wanted and unwanted births reported by mothers 15-44 years of age United States, 1976

Eckard, Eugenia.
[Hyattsville, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology, [1980] 1980

Women who use organized family planning services : United States, 1979

Eckard, Eugenia.
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics, 1982. 1981