4Tilton D. Central venous access device infections in the critical care unit[J]. Crit Care Nurs Q,2006,29(2) : 117-122.
5Schwab SJ, Beathard G. The hemodialysis catheter conundrum: hate living with them, but can't live without them [ J ]. Kidney Int, 1999,56( 1 ) : 1-17.
