| Literature DB >> 15564258 |
Andrew J K Ostor1, Adrian J Crisp, Margaret F Somerville, David G I Scott.
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Year: 2004 PMID: 15564258 PMCID: PMC534441 DOI: 10.1136/bmj.329.7477.1266
Source DB: PubMed Journal: BMJ ISSN: 0959-8138