Authors: F Macrae; G Ekelund; B P Robra; R Gnauck; H Ribet; J Escourrou; J H Bond; N C Armitage; J B Simon Journal: Int J Colorectal Dis Date: 1986-04 Impact factor: 2.571
Authors: E Kemppainen; J Hedström; P Puolakkainen; J Halttunen; V Sainio; R Haapiainen; E Kivilaakso; U H Stenman Journal: Gut Date: 1997-11 Impact factor: 23.059