Am J Public Health (N Y). 1923 Jul;13(7):597. doi: 10.2105/ajph.13.7.597.
American journal of public health (New York, N.Y. : 1912)
[No authors listed]
PMID: 18010995 PMCID: PMC1354542 DOI: 10.2105/ajph.13.7.597
[No abstract available.]