Authors: S Gölder; W Vogt; H Lichti; H C Rath; A Kullmann; J Schölmerich; F Kullmann Journal: Int J Colorectal Dis Date: 2006-07-04 Impact factor: 2.571
Authors: Deborah A Marshall; F Reed Johnson; Nathalie A Kulin; Semra Ozdemir; Judith M E Walsh; John K Marshall; Stephanie Van Bebber; Kathryn A Phillips Journal: Health Econ Date: 2009-12 Impact factor: 3.046