PMCCPMCCPMCC

Search tips
Search criteria 

Advanced
Logo of pubhealthreporigLink to Publisher's site
 
Volume 49(39);  September 28, 1934
Article
Public Health Rep. Sep 28, 1934; 49(39): 1129–1167.
PMCID:
PMC2016860
Articles from Public Health Reports are provided here courtesy of
Association of Schools of Public Health