| Literature DB >> 21276335 |
Kevin Gruffydd-Jones, Melvyn M Jones.
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Year: 2011 PMID: 21276335 PMCID: PMC3026147 DOI: 10.3399/bjgp11X556182
Source DB: PubMed Journal: Br J Gen Pract ISSN: 0960-1643 Impact factor: 5.386