Am J Public Health Nations Health. 1930 Apr;20(4):357-64. doi: 10.2105/ajph.20.4.357.
American journal of public health and the nation's health
A C Decker, H G Menke
PMID: 18012985 PMCID: PMC1555912 DOI: 10.2105/ajph.20.4.357
[No abstract available.]