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Cormican LJ, Higgins S, Davidson AC, Howard R, Williams AJ.Cormican LJ, et al. Among authors: davidson ac.Postgrad Med J. 2004 Jun;80(944):360-2. doi: 10.1136/pgmj.2003.010520.Postgrad Med J. 2004.PMID: 15192173Free PMC article.