Alkylating AgentsAntineoplastic Agents, AlkylatingAlkylationO(6)-Methylguanine-DNA MethyltransferaseMethylnitronitrosoguanidineMethyl MethanesulfonateMechlorethamineChlorambucilCarmustineNitrogen Mustard CompoundsEthyl MethanesulfonateDacarbazineMelphalanDNA RepairDNA DamageGuanineMethylnitrosoureaCyclophosphamideNitrosourea CompoundsTriaziquoneSulfuric Acid EstersMutagensThiotepaEthylnitrosoureaAziridinesMethyltransferasesMustard GasDrug ResistanceNylonsAntineoplastic AgentsMitomycinsCell SurvivalDNA Modification MethylasesEthylmaleimideMitomycinDNAPropiolactoneEtanidazoleDNA GlycosylasesDNA Repair EnzymesMesylatesDNA AdductsQuinacrine MustardLomustineDose-Response Relationship, DrugDicumarolSarcoma, YoshidaNimustineMethionine SulfoximineDrug Resistance, NeoplasmNeoplasms, Second PrimaryDrug SynergismGliomaCricetinaeDistamycinsIodoacetamideBrain NeoplasmsButhionine SulfoximineLeukemia L1210Leukemia L5178CisplatinCarcinogensTumor Cells, CulturedAntineoplastic Combined Chemotherapy ProtocolsPorfiromycinMustard CompoundsCyclohexenesNetropsinMutationCross-Linking ReagentsDrug Screening Assays, AntitumorGlioblastoma4-Nitroquinoline-1-oxideMitolactolPoly(ADP-ribose) PolymerasesN-Glycosyl HydrolasesDNA, NeoplasmKineticsSulfhydryl CompoundsBusulfanHydrocarbons, BrominatedGlutathioneLeukemia, Radiation-InducedCell LineBiotransformationMutagenicity TestsCricetulusHydrazinesReducing AgentsDNA-(Apurinic or Apyrimidinic Site) LyasePoly Adenosine Diphosphate RiboseIfosfamideEscherichia coliRadiotherapyAniline MustardCombined Modality TherapyNitroimidazolesDoxorubicinBase SequenceUltraviolet Rays