7Clemence BJ,Maneval RE.Risk factors associated with catheter-related upper extremity deep vein thrombosis in patients with peripherally inserted central venous catheters:literature review:part 1.J Infus Nurs,2014,37(3):187-196.
8Morano SG,Coppola L,Latagliata R,et al.Early and late complications related to central venous catheters in hematological malignancies:a retrospective analysis of 1102 patients.Mediterr J Hematol Infect Dis,2014,6(1):e2014011.
9Schallom ME,Prentice D,Sona C,et al.Heparin or 0.9% sodium chloride to maintain central venous catheter patency:a randomized trial.Crit Care Med,2012,40(6):1820-1826.
10Mitchell MD,Anderson BJ,Williams K,et al. Heparin flushing and other interventions to maintain patency of central venous catheters:a systematic review.J Adv Nurs,2009,65(10):2007-2021.