| Literature DB >> 3115369 |
G D Beun1, K M Leunissen, P J Van Breda Vriesman, J P Van Hooff, W Grave.
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Year: 1987 PMID: 3115369 PMCID: PMC1247037 DOI: 10.1136/bmj.295.6591.182
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623