| Literature DB >> 6404448 |
M Laakso, K Nuorva, A Aro, M Uusitupa, O Siitonen, R Huupponen.
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Year: 1983 PMID: 6404448 PMCID: PMC1547606 DOI: 10.1136/bmj.286.6374.1317
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623