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Johnson SA, Kalairajah Y, Moonot P, Steele N, Field RE.Johnson SA, et al. Among authors: kalairajah y.Ann R Coll Surg Engl. 2008 Apr;90(3):208-12. doi: 10.1308/003588408X242024.Ann R Coll Surg Engl. 2008.PMID: 18430334Free PMC article.