PMCCPMCCPMCC

Search tips
Search criteria 

Advanced
Logo of pubhealthreporigLink to Publisher's site
 
Volume 26(22);  June 2, 1911
Article
Public Health Rep. Jun 2, 1911; 26(22): 799–845.
PMCID:
PMC1999098
Articles from Public Health Reports are provided here courtesy of
Association of Schools of Public Health