PMCCPMCCPMCC

Search tips
Search criteria 

Advanced
Logo of pubhealthreporigLink to Publisher's site
 
Volume 38(20);  May 18, 1923
Article
Public Health Rep. May 18, 1923; 38(20): 1061–1123.
PMCID:
PMC1975892
Articles from Public Health Reports are provided here courtesy of
Association of Schools of Public Health