PMCCPMCCPMCC

Search tips
Search criteria 

Advanced
Logo of pubhealthreporigLink to Publisher's site
 
Volume 42(16);  April 22, 1927
Article
Public Health Rep. Apr 22, 1927; 42(16): 1097–1150.
PMCID:
PMC1999029
Articles from Public Health Reports are provided here courtesy of
Association of Schools of Public Health