| Literature DB >> 3922550 |
M van Berkel, H Dik, J W van der Meer, J Versteeg.
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Year: 1985 PMID: 3922550 PMCID: PMC1415690 DOI: 10.1136/bmj.290.6480.1503
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623