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Authors: D Y Graham; G M Lew; H M Malaty; D G Evans; D J Evans; P D Klein; L C Alpert; R M Genta Journal: Gastroenterology Date: 1992-02 Impact factor: 22.682
Authors: A A van Zwet; W A de Boer; P M Schneeberger; J Weel; A R Jansz; J C Thijs Journal: Eur J Clin Microbiol Infect Dis Date: 1996-11 Impact factor: 3.267
Authors: S Matsumoto; Y Washizuka; Y Matsumoto; S Tawara; F Ikeda; Y Yokota; M Karita Journal: Antimicrob Agents Chemother Date: 1997-12 Impact factor: 5.191