Autor: Gernot Feifel

It is now more than 40 years since Drs. Wild and Reid published their first experience with rectal ultrasonography from the Surgery Department at the University of Minnesota. Professor Owen H. Wangen …

Technical improvements over the past twenty years have made endos- copy the procedure of choice for examination of the hollow organs of the genitourinary and gastrointestinal tracts. The development …