title: Re: High-dose compared with intermediate-dose methotrexate in children with a first relapse of acute lymphatic leukemia.
authors.forename: Ian J
authors.initials: IJ
authors.lastname: Cohen
mesh_terms: D002648:Child; D004305:Dose-Response Relationship, Drug; D006801:Humans; D002955:Leucovorin / Q000008:administration & dosage / Q000633:toxicity; D007945:Leukemia, Lymphoid / Q000188:drug therapy*; D008727:Methotrexate / Q000008:administration & dosage* / Q000633:toxicity; D012008:Recurrence
chemical_list: D002955:Leucovorin; D008727:Methotrexate