title: Switching on to ultrasound.
authors.forename: C J
authors.initials: CJ
authors.lastname: Nutt
authors.forename: P
authors.initials: P
authors.lastname: Jefferson
authors.forename: D R
authors.initials: DR
authors.lastname: Ball
mesh_terms: D002405:Catheterization, Central Venous / Q000379:methods*; D003428:Cross Infection / Q000517:prevention & control; D006801:Humans; D018084:Ultrasonography, Interventional / Q000295:instrumentation*