title: Access blood flow: debate continues.
authors.forename: W D
authors.initials: WD
authors.lastname: Paulson
authors.forename: S J
authors.initials: SJ
authors.lastname: Ram
authors.forename: J
authors.initials: J
authors.lastname: Work
mesh_terms: D001783:Blood Flow Velocity; D002405:Catheterization, Central Venous / Q000009:adverse effects* / Q000295:instrumentation; D004869:Equipment Safety; D006801:Humans; D011336:Probability; D006435:Renal Dialysis / Q000295:instrumentation*; D018570:Risk Assessment; D012680:Sensitivity and Specificity; D013927:Thrombosis / Q000175:diagnosis / Q000209:etiology* / Q000517:prevention & control*; D014655:Vascular Resistance