1. Detection of Crohn's Disease by Ultrasound
2. , , et al: Possibilities and limitations of ultrasonography in Crohn's disease and ulcerative colitis, in Proceedings of the Fourth Meeting of the World Federation for Ultrasound in Medicine and Biology, Sydney, Gill RW, Dadd MJ (eds). Pergamon Press, Sydney-Oxford-New York, 1985, p 166.
3. , , et al: Ultrasound findings in Crohn's disease and ulcerative colitis: A prospective study. J Clin Ultrasound 15153, 1987.
4. : Kann die Sonographie einen Beitrag zur Diagnostik von entzundlichen und tumorösen Erkrankungen des Magen-Darm-Traktes leisten? in Sonographie in der Gastroenterologie, , (eds). Springer, Berlin-Heidelberg-New York, 1987, p 57.
5. Endoscopic Ultrasonography - Technique, Orientation and Diagnostic Possibilities