AntimetabolitesAntimetabolites, AntineoplasticTetrahydrouridineFloxuridineTrabeculectomyInosine MonophosphatePhosphoribosyl PyrophosphateFluorouracilMitomycin6-MercaptopurineMethotrexateLeukemia L1210Folic Acid AntagonistsCytarabinePurinesAntineoplastic AgentsDrug SynergismDrug Screening Assays, AntitumorDeoxycytidineDrug Evaluation, PreclinicalCell SurvivalTumor Cells, CulturedNeoplasmsCell DivisionCell CycleCell LineHistocompatibility Antigens Class IKineticsHistocompatibility Antigens Class II