4Haynes R B. Of studies, syntheses,synopses,summa-ries, and systems: the "5S” evolution of informationservices for evidence-based health care decisions [J].ACP J Club,2006,145(3) :A8.
5Nelson S, Valentine L, Armes S, et al. Care and main-tenance to reduce vascular access complications[M]. To-ronto: Ragistered Nurses Association of Ontario. 2005 ;290-310.
7Webster J, Gillies D,O'Riordan E et al. Gauze and tapeand transparent polyurethane dressings for central ve-nous catheters (Review)[DB/OL], 2011 :The CochraneCollaboration.
8Maki D G, Stolz S S, Wheeler S. A prospective*rando-mized trial of gauze and two polyurethane dressings forsite care of pulmonary artery catheters t implications forcatheter management[J]. Crit Care Med, 1994. 22(11) i1729-1737.
9Higgins J P, Green S. Cochrance handbook for systema-tic reviews of interventions 4. 2. 6 [DB/OL]. 2006 i TheCochrane Collaboration.
