Haire WD, Lieberman RP: Thrombosed central venous catheters: Restoring function with 6-hour urokinase infusion after failure of bolus urokinase. JPEN16:129-132, 1992
2.
Schneider TC , Krzywda E., Andris D.: The malfunctioning Silastic catheter-Radiologic assessment and treatment. JPEN10:70-73, 1986
3.
Stanislav GV , Fitzgibbons RJ, Bailey RT, et al: Reliability of implanted central venous access devices in patients with cancer. Arch Surg122:1280-1283, 1987