PMCCPMCCPMCC

Search tips
Search criteria 

Advanced
Logo of pubhealthreporigLink to Publisher's site
 
Volume 52(28);  July 9, 1937
Article
Public Health Rep. Jul 9, 1937; 52(28): 913–944.
PMCID:
PMC2024628
Articles from Public Health Reports are provided here courtesy of
Association of Schools of Public Health