Am J Public Health (N Y). 1924 Jan;14(1):52-3. doi: 10.2105/ajph.14.1.52.
American journal of public health (New York, N.Y. : 1912)
[No authors listed]
PMID: 18011121 PMCID: PMC1354756 DOI: 10.2105/ajph.14.1.52
[No abstract available.]