| Literature DB >> 3101868 |
D J Versluis, W E Beyer, N Masurel, W Weimar, P Kramer, P P Diderich.
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Year: 1987 PMID: 3101868 PMCID: PMC1245354 DOI: 10.1136/bmj.294.6568.348
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623