Am J Public Health (N Y). 1920 Aug;10(8):676-7. doi: 10.2105/ajph.10.8.676.
American journal of public health (New York, N.Y. : 1912)
[No authors listed]
PMID: 18010357 PMCID: PMC1362850 DOI: 10.2105/ajph.10.8.676
[No abstract available.]