PMCCPMCCPMCC

Search tips
Search criteria 

Advanced
Logo of pubhealthreporigLink to Publisher's site
 
Volume 62(50);  December 12, 1947
Article
Public Health Rep. Dec 12, 1947; 62(50): 1729–1756.
PMCID:
PMC1995291
Articles from Public Health Reports are provided here courtesy of
Association of Schools of Public Health