| Literature DB >> 22751232 |
Richard J Davenport, Brian McKinstry, Jillian M Morrison, Blair H Smith, Iain R C Swan, Frank Sullivan.
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Year: 2009 PMID: 22751232 PMCID: PMC2714780 DOI: 10.3399/bjgp09X453765
Source DB: PubMed Journal: Br J Gen Pract ISSN: 0960-1643 Impact factor: 5.386