Duodenal exfoliative cytology. Duodenal drainage smears after stimulation with secretin.
D000328:Adult; D000368:Aged; D001650:Bile Duct Neoplasms / Q000175:diagnosis*; D003581:Cytodiagnosis; D004386:Duodenum / Q000473:pathology*; D006801:Humans; D001239:Inhalation; D007419:Intestinal Secretions / Q000032:analysis; D008722:Methods; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000175:diagnosis*