[Difficulties in the removal of continutous epidural catheter--report of three cases (author's transl)].
D000328:Adult; D000368:Aged; D000767:Anesthesia, Epidural / Q000009:adverse effects* / Q000295:instrumentation; D002404:Catheterization / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male