Am J Public Health Nations Health. 1939 Jun;29(6):597-602. doi: 10.2105/ajph.29.6.597.
American journal of public health and the nation's health
L Baumgartner
PMID: 18015050 PMCID: PMC1529423 DOI: 10.2105/ajph.29.6.597
[No abstract available.]