Am J Public Health (N Y). 1923 Jun;13(6):462-5. doi: 10.2105/ajph.13.6.462.
American journal of public health (New York, N.Y. : 1912)
E R Hayhurst
PMID: 18010959 PMCID: PMC1354456 DOI: 10.2105/ajph.13.6.462
[No abstract available.]