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Barnett AG, Page K, Campbell M, Martin E, Rashleigh-Rolls R, Halton K, Paterson DL, Hall L, Jimmieson N, White K, Graves N.Barnett AG, et al. Among authors: graves n.BMJ Open. 2013 Oct 31;3(10):e003587. doi: 10.1136/bmjopen-2013-003587.BMJ Open. 2013.PMID: 24176795Free PMC article.