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Roumen RM, Hendriks T, van der Ven-Jongekrijg J, Nieuwenhuijzen GA, Sauerwein RW, van der Meer JW, Goris RJ.Roumen RM, et al. Among authors: goris rj.Ann Surg. 1993 Dec;218(6):769-76. doi: 10.1097/00000658-199312000-00011.Ann Surg. 1993.PMID: 8257227Free PMC article.