title: Case report: the lady vanishes.
authors.affiliation: Royal Hospital Haslar.
authors.forename: C J
authors.initials: CJ
authors.lastname: Hand
authors.forename: S L
authors.initials: SL
authors.lastname: Hodkinson
authors.forename: J E
authors.initials: JE
authors.lastname: Risdall
mesh_terms: D000368:Aged; D000767:Anesthesia, Epidural / Q000295:instrumentation*; D019645:Arthroplasty, Replacement, Knee; D002406:Catheterization, Peripheral / Q000295:instrumentation*; D004868:Equipment Failure; D005260:Female; D005547:Foreign Bodies / Q000209:etiology*; D006801:Humans