| Literature DB >> 4974715 |
P L Kendrick, R Y Gottshall, H D Anderson, V K Volk, W E Bunney, F H Top.
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Year: 1969 PMID: 4974715 PMCID: PMC2031428
Source DB: PubMed Journal: Public Health Rep ISSN: 0094-6214 Impact factor: 2.792