Injections, SpinalDoxorubicinCyclophosphamideAntineoplastic Combined Chemotherapy ProtocolsEtoposideLomustineAntineoplastic Agents, PhytogenicVinca AlkaloidsMethotrexateDrug Administration ScheduleBleomycinVinblastineAdministration, OralDose-Response Relationship, DrugAsparaginaseMorphineAntineoplastic AgentsLymphoma, Non-HodgkinP-GlycoproteinDrug ResistanceCombined Modality TherapyAntibodies, Monoclonal, Murine-DerivedLeukemia P388Infusion Pumps, ImplantableAnalgesics, OpioidPrednisoloneDaunorubicinCytarabinePrecursor Cell Lymphoblastic Leukemia-LymphomaSpinal CordTreatment OutcomeDrug Resistance, MultipleLymphoma, Large B-Cell, DiffuseRats, Sprague-DawleyAnalgesicsMuscle Relaxants, CentralPain MeasurementTime FactorsRemission InductionRhabdomyosarcomaInjections, IntravenousDexamethasonePainHyperalgesiaAnesthesia, SpinalDactinomycinBupivacaineHodgkin DiseaseVerapamilMelphalanDisease-Free SurvivalLeukemia, LymphoidIfosfamideDrug SynergismSurvival AnalysisOligodendrogliomaAnalgesia, ObstetricalDacarbazinePeripheral Nervous System DiseasesCarcinoma, Small CellDrug Resistance, NeoplasmSufentanilSurvival RateCisplatinCatharanthusClonidineTeniposideInfusions, SpinalVindesineBaclofenColchicineNimustineSpinal NervesAnalgesiaInfusions, IntravenousTumor Cells, CulturedAntibiotics, AntineoplasticAnesthetics, LocalLeukemia L1210Brain NeoplasmsPain, IntractablePodophyllotoxinDrug Administration RoutesDrug InteractionsMitoxantroneCentral Nervous System NeoplasmsSemustineNeostigmineChlorambucilMultiple MyelomaDrug Screening Assays, AntitumorSubarachnoid SpaceSarcoma, EwingWilms TumorKB CellsFentanylLiposomesMultidrug Resistance-Associated ProteinsCarmustineMuscle Spasticity