title: Difficult central venous access - another role for the portable Doppler device (Dopplex).
authors.forename: P
authors.initials: P
authors.lastname: Zuokumor
mesh_terms: D000328:Adult; D002405:Catheterization, Central Venous / Q000379:methods*; D005260:Female; D005263:Femoral Artery / Q000000981:diagnostic imaging; D006801:Humans; D019095:Point-of-Care Systems; D018616:Ultrasonography, Doppler, Duplex / Q000295:instrumentation*; D018084:Ultrasonography, Interventional / Q000295:instrumentation