Health and demography
| Autor principal: | |
|---|---|
| Format: | Llibre |
| Idioma: | English |
| Publicat: |
[Washington]
U. S. Dept. of Health, Education, and Welfare, Public Health Service, Bureau of State Services, National Office of Vital Statistics
1956.
|
| Col·lecció: | U. S. Public Health Service. Publication
no. 502 |
| Matèries: |