5Biffi R, Martirelli G, Pozzi S, et al. Totally implantable central venous access ports for high-dose chemotherapy adminstration and autologous stem cell transplatation: analysis of overall and septic complications in 68 cases using a single type of device
6Kock HJ,Pietsch M,Krause U,et al.Implantable vascular access systems,experience in 1500 patients with totally implanted central venous port systems.World J surg,1998,22:12.
7Saveder SJ,Ehrman KQ,Porter DJ,et al.Treatment of hemo dialysis catheter-associated fibrin sheaths Ry rt-PA infasion:critical analsis of 124 procedures.J Vasc Interv Radiol,2001,12:711.
8Biffi R,Braud F,Orsi F,et al.Totally implanted centrol venous access port for long-term chemothrerapy. A prospective study analysing complications and costs of 333 decices with a minimum follow-up of 180 days. Annals of omcology,1998,9:767.
