title: Exfoliative cytology and biliary biopsy using a percutaneous transhepatic biliary tube.
mesh_terms: D000328:Adult; D000368:Aged; D001707:Biopsy, Needle / Q000295:instrumentation*; D002779:Cholestasis / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D003581:Cytodiagnosis; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000175:diagnosis*