PMCCPMCCPMCC

Search tips
Search criteria 

Advanced
Logo of pubhealthreporigLink to Publisher's site
 
Volume 35(45);  November 5, 1920
Article
Public Health Rep. 1920 November 5; 35(45): 2615–2672.
PMCID:
PMC1996832
Articles from Public Health Reports are provided here courtesy of
Association of Schools of Public Health