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Read C, Janes S, George J, Spiro S.Read C, et al.Prim Care Respir J. 2006 Dec;15(6):332-6. doi: 10.1016/j.pcrj.2006.09.003. Epub 2006 Nov 7.Prim Care Respir J. 2006.PMID: 17088104Free PMC article.Review.
Navani N, Janes SM, Spiro SG.Navani N, et al. Among authors: spiro sg.JAMA. 2008 Jun 4;299(21):2509; author reply 2510-1. doi: 10.1001/jama.299.21.2509-a.JAMA. 2008.PMID: 18523214No abstract available.