PMCCPMCCPMCC

Search tips
Search criteria 

Advanced
Logo of pubhealthreporigLink to Publisher's site
 
Volume 35(29);  July 16, 1920
Article
Public Health Rep. Jul 16, 1920; 35(29): 1701–1748.
PMCID:
PMC1996817
Articles from Public Health Reports are provided here courtesy of
Association of Schools of Public Health