Induction regiment of acute lymphoblastic leukemia (ALL) included at least vincristine (VCR),MTZ,IFO and predisone,it is necessary to use L ASP.

• 急性淋巴细胞白血病 ( AL L)诱导治疗采用长春新碱 ( VCR)、MTZ、异环磷酰胺 ( IFO)和强的松 ( Pred) ,条件允许时加用左旋门冬酰胺酶 ( L-ASP)。