| Literature DB >> 5693012 |
E Siegel, R W Tuthill, E J Coulter, S S Chipman, E Corkey.
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Year: 1968 PMID: 5693012 PMCID: PMC1228950 DOI: 10.2105/ajph.58.10.1864
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572