title: Valsalva manoeuvre for central venous cannulation.
authors.forename: P
authors.initials: P
authors.lastname: Cowlishaw
authors.forename: P
authors.initials: P
authors.lastname: Ballard
mesh_terms: D002405:Catheterization, Central Venous / Q000379:methods*; D005260:Female; D006801:Humans; D008875:Middle Aged; D014636:Valsalva Maneuver