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Siriwardena AN, Edwards AG, Campion P, Freeman A, Elwyn G.Siriwardena AN, et al.Br J Gen Pract. 2006 Nov;56(532):857-62.Br J Gen Pract. 2006.PMID: 17132353Free PMC article.
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Siriwardena AN, Lawson S, Vahl M, Middleton H, de Zeeuw G.Siriwardena AN, et al.Qual Prim Care. 2008;16(1):1-5.Qual Prim Care. 2008.PMID: 18700073No abstract available.
Siriwardena AN, Apekey T, Tilling M, Harrison A, Dyas JV, Middleton HC, Ørner R, Sach T, Dewey M, Qureshi ZM.Siriwardena AN, et al.BMC Fam Pract. 2009 Jan 26;10:9. doi: 10.1186/1471-2296-10-9.BMC Fam Pract. 2009.PMID: 19171070Free PMC article.Clinical Trial.
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