 Level 1 DF 17 mgKg i.v. or 2.4 g p.o. D1-4, followed by 1.6 g p.o. through D 35 Level 2 DF 34 mgKg i.v. or 4.8 g p.o. D 1-4, followed by 3.2 g p.o. through D 35 Level 3 DF 51 mgKg i.v. or 7.2 g p.o. D 1-4, followed by 4.8 g p.o. through D 35. 