Population pharmacokinetics of oral busulfan in children. - Schiltmeyer,B.; Klingebiel,T.; Schwab,M.; Murdter,T.E.; Ritter,C.A.; Jenke,A.; Ehninger,G.; Gruhn,B.; Wurthwein,G.; Boos,J.; Hempel,G. (Cancer Chemother Pharmacol, 2003)