Am J Public Health (N Y). 1926 Sep;16(9):869-72. doi: 10.2105/ajph.16.9.869-a.
American journal of public health (New York, N.Y. : 1912)
E G Williams
PMID: 18011937 PMCID: PMC1321360 DOI: 10.2105/ajph.16.9.869-a
[No abstract available.]