| Literature DB >> 15904565 |
Sharon Sanders, Chris Del Mar, Sarah Purdy, Annelise Spinks, Lisa Tait, Brian McAvoy.
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Year: 2005 PMID: 15904565 PMCID: PMC1463170
Source DB: PubMed Journal: Br J Gen Pract ISSN: 0960-1643 Impact factor: 5.386