Am J Public Health (N Y). 1923 May;13(5):413-5. doi: 10.2105/ajph.13.5.413.
American journal of public health (New York, N.Y. : 1912)
[No authors listed]
PMID: 18010948 PMCID: PMC1354513 DOI: 10.2105/ajph.13.5.413
[No abstract available.]