6-MercaptopurineBiological AvailabilityThioguanineAzathioprineMethylthioinosinePrecursor Cell Lymphoblastic Leukemia-LymphomaAdministration, OralMethyltransferasesAntimetabolitesAntimetabolites, AntineoplasticMethotrexateHypoxanthinesInflammatory Bowel DiseasesThionucleotidesThionucleosidesImmunosuppressive AgentsAsparaginaseGuanine NucleotidesThioinosineProdrugsPurinesArea Under CurveInosine MonophosphatePharmacologyPhosphoribosyl PyrophosphateAminosalicylic AcidsXanthine OxidaseIntestinal AbsorptionMesalaminePurine NucleotidesCrohn DiseaseChromatography, High Pressure LiquidAllopurinolAldehyde OxidaseIon Exchange ResinsLeukemia L1210AzauridineAzaguanineErythrocytesCytarabineHalf-LifeDose-Response Relationship, DrugAbsorptionInosineChemistry, PharmaceuticalInjections, IntravenousLeukemia, LymphoidCross-Over StudiesRemission InductionBiotransformationHypoxanthine PhosphoribosyltransferasePurine NucleosidesPhytic AcidFood-Drug Interactions