20-30, ABDOMEN, ABDOMINAL, ADULT, AND, AT, BILIARY, BLADDER, BSIP, COLLANGES, CONSULTATION, DIAGNOSTIC, DIGESTIVE, DOCTOR, EUROPEAN, EXAMINATION, FEMALE, FINGER, FOR, GALL, GASTROENTEROLOGIST, GASTROENTEROLOGY, GLAND, HEALTH, HUMAN, IMAGERY, LIVER, MEDICAL, MEDICINE, OFFICE, PANCREAS, PATIENT, PERSON, PERSONNEL, POINT, PROFESSIONAL, RESULT, SCAN, SCIENTIFIC, SURGERY, SYSTEM, THE, TO, TRACT, ULTRASOUND, WOMAN, YEARS,