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Vohra RS, Hodson J, Pasquali S, Griffiths EA; CholeS Study Group and West Midlands Research Collaborative.Vohra RS, et al. Among authors: hodson j.World J Surg. 2017 Sep;41(9):2231-2239. doi: 10.1007/s00268-017-4018-3.World J Surg. 2017.PMID: 28444464Free PMC article.