title: Portex epidural catheters--a change for the worse.
mesh_terms: D000767:Anesthesia, Epidural / Q000295:instrumentation*; D000773:Anesthesia, Obstetrical / Q000295:instrumentation*; D002408:Catheters, Indwelling; D004868:Equipment Failure; D005260:Female; D006801:Humans; D011247:Pregnancy