| Literature DB >> 14656845 |
Andrew P C McLean-Tooke1, Claire A Bethune, Ann C Fay, Gavin P Spickett.
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Year: 2003 PMID: 14656845 PMCID: PMC286326 DOI: 10.1136/bmj.327.7427.1332
Source DB: PubMed Journal: BMJ ISSN: 0959-8138