| Literature DB >> 10775227 |
E O'Brien1, A Coats, P Owens, J Petrie, P L Padfield, W A Littler, M de Swiet, F Mee.
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Year: 2000 PMID: 10775227 PMCID: PMC1127256 DOI: 10.1136/bmj.320.7242.1128
Source DB: PubMed Journal: BMJ ISSN: 0959-8138