AzathioprineImmunosuppressionImmunosuppressive Agents6-MercaptopurinePrednisoloneKidney TransplantationCyclosporineMycophenolic AcidGraft RejectionMethyltransferasesInflammatory Bowel DiseasesCrohn DiseasePrednisoneDrug Therapy, CombinationTacrolimusHepatitis, AutoimmuneThioguanineAdrenal Cortex HormonesColitis, UlcerativeGraft SurvivalMethylprednisoloneLeukopeniaAntilymphocyte SerumCyclosporinsGastrointestinal AgentsTransplantation, HomologousTreatment OutcomeImmune ToleranceAnti-Inflammatory AgentsMesalamineAntimetabolitesLiver TransplantationAminosalicylic AcidsNiridazoleCyclophosphamideHeart TransplantationRecurrenceLupus NephritisGlucocorticoidsSulfasalazineTime FactorsRetrospective StudiesFollow-Up StudiesGuanine NucleotidesPulse Therapy, DrugTransplantation ImmunologyThionucleotides