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Burton AM, Brezausek CM, Agne AA, Hankins SL, Willett LL, Cherrington AL.Burton AM, et al. Among authors: cherrington al.Postgrad Med J. 2016 Aug;92(1090):455-9. doi: 10.1136/postgradmedj-2015-133590. Epub 2016 Apr 15.Postgrad Med J. 2016.PMID: 27083209Free PMC article.