Authors: H E Carstensen; S Bülow; O H Hansen; B H Jakobsen; T Krarup; T Pedersen; D Raahave; L B Svendsen; O Backer Journal: Scand J Gastroenterol Date: 1980 Impact factor: 2.423
Authors: S J La Brooy; J J Misiewicz; J Edwards; P M Smith; S J Haggie; L Libman; M Sarner; J H Wyllie; J Croker; P Cotton Journal: Gut Date: 1979-10 Impact factor: 23.059