title: [Control of the position of the central venous catheter--problems in choice of methods].
authors.forename: N
authors.initials: N
authors.lastname: Roewer
authors.forename: W
authors.initials: W
authors.lastname: Engelhardt
mesh_terms: D002405:Catheterization, Central Venous / Q000295:instrumentation*; D002408:Catheters, Indwelling; D004562:Electrocardiography; D006801:Humans; D012680:Sensitivity and Specificity