7Cooper G L,Schiller C C.Possible role of cap- illary action in pathogensis of experimental[J].J Clin Microbiol,1988,26:8.
8Flowers R H Ⅲ ,Schwenzer K J,Kopel R f,e- tal.Eflicacy of an attachable subcutanepus cuff for the prevention of intravascular catheter re- lated infections;A randomized controlled trial[J]. JAMA, 1989,261:878.
9Armstrong C W , Mayball C G , Miller K B ,etal prospective study of catbeter replacement and other risk factors for infection of hyperali- mentation catheters[J].J Infect Dis,1986,154:808.
