title: Problem with Portex 'loss of resistance' syringes.
authors.affiliation: Norfolk and Norwich University Hospitals, Norwich, UK. Siddharth.Adyanthaya@nnuh.nhs.uk.
authors.forename: S S
authors.initials: SS
authors.lastname: Adyanthaya
authors.forename: M
authors.initials: M
authors.lastname: Ochoa-Ferraro
authors.forename: J
authors.initials: J
authors.lastname: Corfe
authors.forename: K
authors.initials: K
authors.lastname: Fromings
authors.forename: K
authors.initials: K
authors.lastname: Al-Naimi
mesh_terms: D000767:Anesthesia, Epidural / Q000295:instrumentation* / Q000379:methods; D004868:Equipment Failure; D006801:Humans; D061214:Patient Safety; D013594:Syringes; D014159:Transducers