Authors: J De Groote; V J Desmet; P Gedigk; G Korb; H Popper; H Poulsen; P J Scheuer; M Schmid; H Thaler; E Uehlinger Journal: Lancet Date: 1968-09-14 Impact factor: 79.321
Authors: J C Hoefs; D Aufrichtig; S Lottenberg; G C Kanel; B S Donner; L A Ferrari; S Leeman; R M Friedenberg Journal: Dig Dis Sci Date: 1986-10 Impact factor: 3.199