Blocked epidural filter.
Clark
V A
VA
Dickson
J
J
D000328:Adult; D015360:Analgesia, Epidural / Q000295:instrumentation*; D016362:Analgesia, Obstetrical / Q000295:instrumentation*; D004868:Equipment Failure; D005260:Female; D005374:Filtration / Q000295:instrumentation*; D006801:Humans