Health and demography
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
[Washington]
U. S. Dept. of Health, Education, and Welfare, Public Health Service, Bureau of State Services, National Office of Vital Statistics
1956.
|
| श्रृंखला: | U. S. Public Health Service. Publication
no. 502 |
| विषय: |