[Radioisotopes in the diagnosis of diseases of the digestive tract].
D005762:Gastroenterology; D005770:Gastrointestinal Neoplasms; D006801:Humans; D008107:Liver Diseases; D011868:Radioisotopes
D011868:Radioisotopes
GASTROENTEROLOGY; GASTROINTESTINAL NEOPLASMS; LIVER DISEASES; RADIOISOTOPES