title: Stretching with obstruction of an epidural catheter.
authors: F K
authors: FK
authors: Khalouf
authors: F A
authors: FA
authors: Kunkel
authors: J
authors: J
authors: Freeman
mesh_terms: D000767:Anesthesia, Epidural; D002404:Catheterization; D004868:Equipment Failure; D006801:Humans; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000188:drug therapy
chemical_list: D009020:Morphine