Ultrasonic diagnosis in gastroenterology.
D001660:Biliary Tract Diseases / Q000175:diagnosis; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D006801:Humans; D008107:Liver Diseases / Q000175:diagnosis; D010182:Pancreatic Diseases / Q000175:diagnosis; D013158:Splenic Diseases / Q000175:diagnosis; D014465:Ultrasonics / Q000379:methods; D014463:Ultrasonography