AntimetabolitesNucleosidesAntimetabolites, AntineoplasticTetrahydrouridineTrabeculectomyFloxuridine6-MercaptopurineFluorouracilPurine NucleosidesMethotrexateSurgical SpongesMitomycinLeukemia L1210CytarabineDeoxycytidineAntineoplastic AgentsPyrimidine NucleosidesThioguanineInosine MonophosphateNucleoside Transport ProteinsVidarabine PhosphatePhosphoribosyl PyrophosphateDrug Screening Assays, Antitumor6-AminonicotinamideDrug SynergismTumor Cells, CulturedPurinesNeoplasmsPantothenic AcidEquilibrative Nucleoside Transporter 1Folic Acid AntagonistsNorleucineCell SurvivalCell DivisionGuanineThioinosinePhosphonoacetic AcidPurine-Nucleoside PhosphorylaseThymidylate SynthaseCell LineXenograft Model Antitumor AssaysAzathioprineDrug Evaluation, PreclinicalStreptomycesGuanosineNucleoside-Diphosphate KinaseInosineUridineKineticsCell CycleNucleoside QCytidineEquilibrative-Nucleoside Transporter 2Nucleoside-TriphosphataseRibonucleosidesApoptosisCell Line, TumorNucleotidesAdenosineFormycinsLeukemia P388PentosyltransferasesAntibiotics, AntineoplasticNM23 Nucleoside Diphosphate KinasesAntineoplastic Combined Chemotherapy ProtocolsMice, NudeReverse Transcriptase InhibitorsNeoplasms, ExperimentalEquilibrative Nucleoside Transport ProteinsDeoxyribonucleosidesNeoplasm TransplantationSarcoma 180DeoxyadenosinesMelanoma, ExperimentalAdenineDilazepAntiviral AgentsArabinonucleosidesMice, Inbred BALB CDideoxynucleosidesMolecular StructureCancer VaccinesTubercidinZidovudine