Percutaneous transhepatic cholangiography and "skinny" needle. Tentative appraisal.
D001707:Biopsy, Needle / Q000295:instrumentation*; D002758:Cholangiography / Q000009:adverse effects / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications