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Grewal IS, Kazi HA, Cope MR.Grewal IS, et al. Among authors: cope mr.Ann R Coll Surg Engl. 2011 Oct;93(7):564; author reply 564-5. doi: 10.1308/147870811x598579.Ann R Coll Surg Engl. 2011.PMID: 22004655Free PMC article.No abstract available.