| Literature DB >> 17540943 |
Richard Reithinger1, Karen Megazzini, Stephen J Durako, D Robert Harris, Sten H Vermund.
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Year: 2007 PMID: 17540943 PMCID: PMC1885318 DOI: 10.1136/bmj.39211.527488.94
Source DB: PubMed Journal: BMJ ISSN: 0959-8138