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Bemelman WA, Brummelkamp WH, van der Hulst VP, Reeders JW, Roos CM, Klopper PJ.Bemelman WA, et al. Among authors: brummelkamp wh.Hepatogastroenterology. 1992 Apr;39(2):187-91.Hepatogastroenterology. 1992.PMID: 1634186