Ultrasonic diagnostic examination of liver, gallbladder, pancreas and spleen.
D005188:False Negative Reactions; D005189:False Positive Reactions; D005705:Gallbladder Diseases / Q000175:diagnosis*; D006801:Humans; D008107:Liver Diseases / Q000175:diagnosis*; D010182:Pancreatic Diseases / Q000175:diagnosis*; D013158:Splenic Diseases / Q000175:diagnosis*; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography