Am J Public Health (N Y). 1922 Mar;12(3):181-7. doi: 10.2105/ajph.12.3.181-a.
American journal of public health (New York, N.Y. : 1912)
F C Nájera
PMID: 18010656 PMCID: PMC1354056 DOI: 10.2105/ajph.12.3.181-a
[No abstract available.]