[Studies on the early symptoms of so-called pancreas head neoplasms].
D000328:Adult; D001650:Bile Duct Neoplasms / Q000473:pathology; D002285:Carcinoma, Intraductal, Noninfiltrating / Q000473:pathology; D003135:Common Bile Duct / Q000473:pathology; D004379:Duodenal Neoplasms / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000473:pathology*