Výsledky vyhledávání
- Reproduction [elektronický zdroj] : the official journal of the Society for the Study of Fertility. . Cambridge, UK : Journals of Reproduction and Fertility
- Vital and health statistics. Series 21, Data on natality, marriage, and divorce [elektronický zdroj] . . Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics, [1989]- . v.
- Vital and health statistics. Series 23, Data from the National Survey of Family Growth [elektronický zdroj] . . [Hyattsville, Md.] : Washington, D.C. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics ; For sale by the Supt. of Docs., U.S. G.P.O. . v.