| Literature DB >> 12842953 |
Patricia Yudkin1, Kate Hey, Sarah Roberts, Sarah Welch, Michael Murphy, Robert Walton.
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Year: 2003 PMID: 12842953 PMCID: PMC164239 DOI: 10.1136/bmj.327.7405.28
Source DB: PubMed Journal: BMJ ISSN: 0959-8138