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Netuveli G, Hurwitz B, Levy M, Fletcher M, Barnes G, Durham SR, Sheikh A.Netuveli G, et al. Among authors: sheikh a.Lancet. 2005 Jan 22-28;365(9456):312-7. doi: 10.1016/S0140-6736(05)17785-X.Lancet. 2005.PMID: 15664226Review.
Pinnock H, Sheikh A, Juniper EF.Pinnock H, et al. Among authors: sheikh a.Prim Care Respir J. 2004 Mar;13(1):36-41. doi: 10.1016/j.pcrj.2003.11.004.Prim Care Respir J. 2004.PMID: 16701635Free PMC article.
Pinnock H, Madden V, Snellgrove C, Sheikh A.Pinnock H, et al. Among authors: sheikh a.Prim Care Respir J. 2005 Feb;14(1):42-6. doi: 10.1016/j.pcrj.2004.10.002. Epub 2004 Dec 25.Prim Care Respir J. 2005.PMID: 16701692Free PMC article.
Ryan D, Levy M, Morris A, Sheikh A, Walker S.Ryan D, et al. Among authors: sheikh a.Prim Care Respir J. 2005 Aug;14(4):195-203. doi: 10.1016/j.pcrj.2005.01.003. Epub 2005 Jul 11.Prim Care Respir J. 2005.PMID: 16701725Free PMC article.