Authors: W D Reed; A L Eddleston; H Cullens; R Williams; A J Zuckerman; D K Peters; D G Williams; W A Maycock Journal: Lancet Date: 1973-12-15 Impact factor: 79.321
Authors: M J Lepore; P J McKenna; D B Martinez; L J Stutman; C A Bonanno; E F Conklin; J G Robilotti Journal: Am J Gastroenterol Date: 1972-10 Impact factor: 10.864
Authors: G Baltzer; W Dölle; U Bär; K Becker; P H Clodi; W Dischler; U Gerlach; G Bachour; H J von Haase; F Hartmann; K Klütsch; B Kommerell; H Leonhardt; U Mussgnug; K T Schricker; H G Sieberth Journal: Dtsch Med Wochenschr Date: 1971-08 Impact factor: 0.628