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Fecundity, infertility, and reproductive health in the United States, 1982.

Mosher, William D.
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, National Center for Health Statistics, 1987. 1987

Office visits by women : the National ambulatory medical care survey, United States, 1977

Cypress, Beulah K.
Hyattsville, Md. : Dept. of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics, 1980. 1980