TY - BOOK AU - Maconi,Giovanni AU - Bianchi Porro,Gabriele TI - Ultrasound of the gastrointestinal tract T2 - Medical radiology. Diagnostic imaging SN - 3540258264 PY - 2007/// CY - Berlin PB - Springer KW - Gastrointestinal Diseases KW - Ultrasonography KW - Gastrointestinal Tract KW - ultrasonography ER -