AntimetabolitesNucleosidesAntimetabolites, AntineoplasticTetrahydrouridineTrabeculectomyFloxuridine6-MercaptopurineFluorouracilPurine NucleosidesMethotrexateSurgical SpongesMitomycinCytarabineLeukemia L1210DeoxycytidinePyrimidine NucleosidesThioguanineInosine MonophosphateNucleoside Transport ProteinsVidarabine PhosphatePhosphoribosyl Pyrophosphate6-AminonicotinamideAntineoplastic AgentsPurinesPantothenic AcidDrug SynergismEquilibrative Nucleoside Transporter 1Folic Acid AntagonistsNorleucineTumor Cells, CulturedNeoplasmsCell SurvivalCell DivisionGuanineThioinosinePurine-Nucleoside PhosphorylasePhosphonoacetic AcidThymidylate SynthaseAzathioprineCell LineDrug Screening Assays, AntitumorGuanosineNucleoside-Diphosphate KinaseInosineDrug Evaluation, PreclinicalUridineKineticsStreptomycesNucleoside QCell CycleEquilibrative-Nucleoside Transporter 2Nucleoside-TriphosphataseCytidineRibonucleosidesNucleotidesAdenosineFormycinsPentosyltransferasesNM23 Nucleoside Diphosphate KinasesReverse Transcriptase InhibitorsEquilibrative Nucleoside Transport ProteinsDeoxyribonucleosidesDeoxyadenosinesAdenineDilazepAntiviral AgentsAntineoplastic Combined Chemotherapy ProtocolsDideoxynucleosidesZidovudineApoptosisTubercidin