| Literature DB >> 16150769 |
Paul D Griffiths1, Martyn N J Paley, Elysa Widjaja, Chris Taylor, Elspeth H Whitby.
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Year: 2005 PMID: 16150769 PMCID: PMC1200595 DOI: 10.1136/bmj.331.7516.562
Source DB: PubMed Journal: BMJ ISSN: 0959-8138