title: Application of the Valsalva maneuver to facilitate sonographic-guided catheterization of the subclavian vein.
authors.forename: D M
authors.initials: DM
authors.lastname: Sherer
authors.forename: O
authors.initials: O
authors.lastname: Abulafia
authors.forename: B
authors.initials: B
authors.lastname: Hearn-Stebbins
mesh_terms: D002404:Catheterization / Q000379:methods*; D006801:Humans; D013350:Subclavian Vein / Q000000981:diagnostic imaging*; D014463:Ultrasonography; D014636:Valsalva Maneuver