4Kettritz U,Isaacs K,Warshauer DM,et al.Crohn's disease:pilot study comparing MRI of the abdomen with clinical evaluation.J Clin Gastroenterol,1995,21:249-253.
5Low RN,Francis IR,Politoske D,et al.Crohn's disease evaluation:comparison of contrast-enhanced MR imaging and single-phase helical CT scanning.J Magn Reson Imaging,2000,11:127-135.
6Rieber A,Aschoff A,Nussle K,et al.MRI in the diagnosis of small bowel disease:use of positive and negative oral contrast media in combination with enteroclysis.Eur Radiol,2000,10:1377-1382.
7Rieber A,Wruk D,Potthast S,et al.Diagnostic imaging in Crohn's disease:comparison of magnetic resonance imaging and conventional imaging methods.Int J Colorectal Dis,2000,15:176-181.
8Knollmann FD,Dietrich T,Bleckmann T,et al.Magnetic resonance imaging of inflammatory bowel disease:evaluation in a rabbit model.J Magn Reson Imaging,2002,15:165-173.
9Marcos HB,Semelka RC.Evaluation of Crohn's disease using half-fourier RARE and gadolinium-enhanced SGE sequences:initial results.Magn Reson Imaging,2000,18:263-268.
10Shoenut JP,Semelka RC,Magro CM,et al.Comparison of magnetic resonance imaging and endoscopy in distinguishing the type and severity of inflammatory bowel disease.J Clin Gastroenterol,1994,19:31-35.
