| Literature DB >> 5046446 |
P D Sullivan, B Christine, R Connelly, H Barrett.
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Year: 1972 PMID: 5046446 PMCID: PMC1530377 DOI: 10.2105/ajph.62.8.1065
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308