Authors: M Wikland; I Jansson; M Asztély; I Palselius; G Svaninger; O Magnusson; L Hultén Journal: Int J Colorectal Dis Date: 1990-02 Impact factor: 2.571
Authors: L Ambrosius Christensen; S N Rasmussen; S H Hansen; S Bondesen; E F Hvidberg Journal: Acta Obstet Gynecol Scand Date: 1987 Impact factor: 3.636