title: Intra-atrial ECG guidance for positioning central vein catheters.
authors.forename: L
authors.initials: L
authors.lastname: Salmela
authors.forename: U
authors.initials: U
authors.lastname: Aromaa
mesh_terms: D002405:Catheterization, Central Venous / Q000379:methods*; D004452:Echocardiography / Q000379:methods*; D006801:Humans; D018084:Ultrasonography, Interventional / Q000379:methods*