Am J Public Health (N Y). 1921 Apr;11(4):352-7. doi: 10.2105/ajph.11.4.352.
American journal of public health (New York, N.Y. : 1912)
I A Bengtson
PMID: 18010472 PMCID: PMC1353790 DOI: 10.2105/ajph.11.4.352
[No abstract available.]