| Literature DB >> 5692057 |
G J Holland, D Benson, A Bush, G Q Rich, R P Holland.
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Year: 1968 PMID: 5692057 PMCID: PMC1228877 DOI: 10.2105/ajph.58.9.1684
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572