Authors: P D Hardt; L Bretz; A Krauss; H Schnell-Kretschmer; O Wusten; J Nalop; T Zekorn; H U Klör Journal: Dig Dis Sci Date: 2001-03 Impact factor: 3.199
Authors: Philip D Hardt; Annette Hauenschild; Clemens Jaeger; Joachim Teichmann; Reinhard G Bretzel; Hans U Kloer Journal: Dig Dis Sci Date: 2003-09 Impact factor: 3.199