[Recent progress in the study of digestive tract diseases].
D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging; D001706:Biopsy; D005326:Fetal Proteins / Q000032:analysis; D005705:Gallbladder Diseases / Q000000981:diagnostic imaging; D005767:Gastrointestinal Diseases; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D007421:Intestine, Small / Q000473:pathology; D008113:Liver Neoplasms / Q000097:blood; D008286:Malabsorption Syndromes / Q000473:pathology; D011859:Radiography
D005326:Fetal Proteins; D006511:Hepatitis B Antigens