PMCCPMCCPMCC

Search tips
Search criteria 

Advanced
Logo of pubhealthreporigLink to Publisher's site
 
Volume 23(42);  October 16, 1908
Article
Public Health Rep. 1908 October 16; 23(42): 1481–1526.
PMCID:
PMC1999500
Articles from Public Health Reports are provided here courtesy of
Association of Schools of Public Health