title: Absolute versus relative pressure.
authors.forename: Andrew
authors.initials: A
authors.lastname: Gammie
authors.forename: Marcus
authors.initials: M
authors.lastname: Drake
authors.forename: Lucy
authors.initials: L
authors.lastname: Swithinbank
authors.forename: Paul
authors.initials: P
authors.lastname: Abrams
mesh_terms: D003950:Diagnostic Techniques, Urological / Q000295:instrumentation* / Q000592:standards; D004867:Equipment Design; D006801:Humans; D017410:Practice Guidelines as Topic; D011237:Predictive Value of Tests; D011312:Pressure; D015203:Reproducibility of Results; D012815:Signal Processing, Computer-Assisted; D001745:Urinary Bladder Diseases / Q000175:diagnosis* / Q000503:physiopathology; D014555:Urination Disorders / Q000175:diagnosis* / Q000503:physiopathology; D014563:Urodynamics