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Authors: S R Targan; S B Hanauer; S J van Deventer; L Mayer; D H Present; T Braakman; K L DeWoody; T F Schaible; P J Rutgeerts Journal: N Engl J Med Date: 1997-10-09 Impact factor: 91.245
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Authors: H M van Dullemen; S J van Deventer; D W Hommes; H A Bijl; J Jansen; G N Tytgat; J Woody Journal: Gastroenterology Date: 1995-07 Impact factor: 22.682