Heparin versus 0.9% sodium chloride intermittent flushing for prevention of occlusion in central venous catheters in adults. (Cochrane database of systematic reviews, 2014)

(untitled) - López-Briz, E; Ruiz Garcia, V; Cabello, J; Bort-Marti, S; Carbonell Sanchis, R; Burls, A