Authors: Stefan Riss; Friedrich Anton Weiser; Katrin Schwameis; Thomas Riss; Martina Mittlböck; Gottfried Steiner; Anton Stift Journal: Int J Colorectal Dis Date: 2011-09-20 Impact factor: 2.571
Authors: Giuseppe Brisinda; Serafino Vanella; Federica Cadeddu; Gaia Marniga; Pasquale Mazzeo; Francesco Brandara; Giorgio Maria Journal: World J Gastroenterol Date: 2009-04-28 Impact factor: 5.742