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Vital and health statistics ; Series 21 ; Data on natality, marriage, and divorce
Ressource électronique
- Auteurs : National Center for Health Statistics (U.S.) ;
- Editeurs : Hyattsville, Md U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics ;
- Date d'édition : [1989]
- Langue(s) : Anglais
- Pays de publication : États-Unis