By Hünerbein M.   Handke T.   Ulmer C.   Schlag P.   in Surgical Endoscopy

ISSN:0930-2794|18|4|601-605

Springer Publishing Company ‎(2004)‎

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By Hunerbein M.   Totkas S.   Balanou P.   Handke T.   Schlag P.M.   in European Journal of Ultrasound

ISSN:0929-8266|10|2|151-157

Elsevier‎(1999)‎

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