AntimetabolitesAntimetabolites, AntineoplasticAntineoplastic AgentsFloxuridineTetrahydrouridineTrabeculectomyInosine MonophosphateFluorouracilPhosphoribosyl PyrophosphateLeukemia L1210Mitomycin6-MercaptopurineMethotrexateCytarabineFolic Acid AntagonistsDrug Screening Assays, AntitumorPurinesNeoplasmsDrug SynergismCell SurvivalTumor Cells, CulturedCell CycleDrug Evaluation, PreclinicalCell DivisionDeoxycytidineCell LineAntibiotics, AntineoplasticAntineoplastic Agents, PhytogenicKineticsCell Line, TumorApoptosisDoxorubicinAntineoplastic Agents, AlkylatingAntineoplastic Combined Chemotherapy ProtocolsLeukemia P388Phospholipid EthersFibroblastsEllipticinesGalliumBryostatinsThiadiazinesCell ProliferationDose-Response Relationship, Drug