Authors: T Havelund; L S Laursen; E Skoubo-Kristensen; B N Andersen; S A Pedersen; K B Jensen; C Fenger; F Hanberg-Sørensen; K Lauritsen Journal: Br Med J (Clin Res Ed) Date: 1988-01-09
Authors: J M Horbach; M H Cnossen; J B Jansen; C B Lamers; A H Zwinderman; J L Terpstra; H G Gooszen Journal: Dig Dis Sci Date: 1994-02 Impact factor: 3.199