Am J Public Health Nations Health. 1942 Oct;32(10):1105-9. doi: 10.2105/ajph.32.10.1105.
American journal of public health and the nation's health
L Oak
PMID: 18015685 PMCID: PMC1527152 DOI: 10.2105/ajph.32.10.1105
[No abstract available.]