Am J Public Health Nations Health. 1928 May;18(5):616-31. doi: 10.2105/ajph.18.5.616.
American journal of public health and the nation's health
E S Godfrey
PMID: 18012471 PMCID: PMC1580528 DOI: 10.2105/ajph.18.5.616
[No abstract available.]