| Literature DB >> 7407485 |
E F van Leeuwen, A E von dem Borne, A M Oudesluijs-Murphy, G J Ras-Zeijlmans.
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Year: 1980 PMID: 7407485 PMCID: PMC1713740 DOI: 10.1136/bmj.281.6232.27
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447