| Literature DB >> 3103844 |
M Koskenvuo, J Kaprio, K Heikkilä, S Sarna, T Telakivi, M Partinen.
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Year: 1987 PMID: 3103844 PMCID: PMC1245674 DOI: 10.1136/bmj.294.6572.643-c
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623