ONE: Liver and Bile.- 1 Liver scintigraphy.- 2 Differential diagnosis of jaundice with hepatobiliary scintigraphy.- 3 Kinetics of gallbladder emptying.- 4 Hepatobiliary imaging after gastrointestinal surgery.- 5 Measurements of liver haemodynamics.- 6 Hepatic scintigraphy for evaluation of liver grafts.- 7 Differential diagnosis of liver tumors.- 8 Intra-arterial liver scintigraphy with99mTc-MAA.- TWO: Stomach and Intestines.- 9 Detection of gastroduodenal ulcers using Technetium-99m-labelled sucralfate.- 10 Gastroesophageal and biliary reflux.- 11 Nuclear medicine in inflammatory bowel diseases.- 12 Detection and localization of gastrointestinal bleeding sites with scintigraphic techniques.- 13 Intestinal absorption tests.- THREE: Miscellaneous.- 14 Investigations of disorders of motility of the esophagus in chronic diseases.- 15 Radioimmunoscintigraphy in gastroenterology.- 16 Scintigraphic procedures for the proof of peritoneo-venous shunt patency.