Prevention of Central Venous Catheter-Related Infections and Thrombotic Events in Immunocompromised Children by the Use of Vancomycin/Ciprofloxacin/Heparin Flush Solution: A Randomized, Multicenter, Double-Blind Trial. - Henrickson,K.J.; Axtell,R.A.; Hoover,S.M. (J Clin Oncol, 2000)