Technical advances in the investigation of gastroenterological problems.
D001649:Bile Duct Diseases / Q000175:diagnosis; D004935:Esophageal Diseases / Q000175:diagnosis; D005705:Gallbladder Diseases / Q000175:diagnosis; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis; D008107:Liver Diseases / Q000175:diagnosis; D010182:Pancreatic Diseases / Q000175:diagnosis; D013272:Stomach Diseases / Q000175:diagnosis