![](/img/cover-not-exists.png)
STANDARDS FOR THE TEACHING OF VITAL STATISTICS *
Trask, John W., Thompson, Stewart G., Friant, Stuart T.Volume:
15
Language:
english
Journal:
American Journal of Public Health
DOI:
10.2105/ajph.15.6.512
Date:
June, 1925
File:
PDF, 238 KB
english, 1925