[Educational lecture on abdominal ultrasound].
D000005:Abdomen; D001649:Bile Duct Diseases / Q000175:diagnosis; D005705:Gallbladder Diseases / Q000175:diagnosis; D006801:Humans; D007231:Infant, Newborn; D008107:Liver Diseases / Q000175:diagnosis; D010182:Pancreatic Diseases / Q000175:diagnosis; D014463:Ultrasonography