| Literature DB >> 17569933 |
Chris Griffiths1, Gill Foster, Jean Ramsay, Sandra Eldridge, Stephanie Taylor.
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Year: 2007 PMID: 17569933 PMCID: PMC1892511 DOI: 10.1136/bmj.39227.698785.47
Source DB: PubMed Journal: BMJ ISSN: 0959-8138