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