| Literature DB >> 11230066 |
G R Fender1, A Prentice, R M Nixon, T Gorst, S W Duffy, N E Day, S K Smith.
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Year: 2001 PMID: 11230066 PMCID: PMC26556 DOI: 10.1136/bmj.322.7285.523
Source DB: PubMed Journal: BMJ ISSN: 0959-8138