| Literature DB >> 12727768 |
John Strang1, Jim McCambridge, David Best, Tracy Beswick, Jenny Bearn, Sian Rees, Michael Gossop.
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Year: 2003 PMID: 12727768 PMCID: PMC153851 DOI: 10.1136/bmj.326.7396.959
Source DB: PubMed Journal: BMJ ISSN: 0959-8138