Subject
Child; Female; Humans; Male; Pilot Projects; Leukemia; Drug Administration Schedule; Bone Diseases; adolescent; Preschool; P.H.S.; Research Support; U.S. Gov't; Clodronate; Acute; Anti-Inflammatory Agents/administration & dosage/therapeutic use; Antineoplastic Agents/administration & dosage/therapeutic use; Antineoplastic Combined Chemotherapy Protocols/therapeutic use; Asparaginase/therapeutic use; Dexamethasone/therapeutic use; Diphosphonates/administration & dosage/therapeutic use; Doxorubicin/therapeutic use; L1/complications/drug therapy; Lymphocytic; Metabolic/drug therapy/etiology