PMCCPMCCPMCC

Search tips
Search criteria 

Advanced
Logo of pubhealthreporigLink to Publisher's site
 
Volume 62(52);  December 26, 1947
Article
Public Health Rep. Dec 26, 1947; 62(52): 1785–1812.
PMCID:
PMC1995301
Articles from Public Health Reports are provided here courtesy of
Association of Schools of Public Health