| Literature DB >> 15374914 |
Azeem Majeed, Paul Aylin, Susan Williams, Alex Bottle, Brian Jarman.
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Year: 2004 PMID: 15374914 PMCID: PMC517637 DOI: 10.1136/bmj.329.7467.645
Source DB: PubMed Journal: BMJ ISSN: 0959-8138