| Literature DB >> 5297815 |
H G Pereira, G Lang, O M Olesiuk, G H Snoeyenbos, D H Roberts, B C Easterday.
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Year: 1966 PMID: 5297815 PMCID: PMC2476226
Source DB: PubMed Journal: Bull World Health Organ ISSN: 0042-9686 Impact factor: 9.408