Azathioprine6-MercaptopurineImmunosuppressive AgentsPrednisoloneMycophenolic AcidMethyltransferasesInflammatory Bowel DiseasesDrug Therapy, CombinationCyclosporineCrohn DiseaseKidney TransplantationHepatitis, AutoimmunePrednisoneThioguanineColitis, UlcerativeAdrenal Cortex HormonesTreatment OutcomeGraft RejectionMethylprednisoloneLeukopeniaImmunosuppressionAnti-Inflammatory AgentsGastrointestinal AgentsMesalamineAntimetabolitesCyclosporinsAminosalicylic AcidsNiridazoleGlucocorticoidsPulse Therapy, DrugSulfasalazineLupus NephritisFollow-Up StudiesTacrolimusGuanine NucleotidesRecurrenceClinical Trials as TopicTime FactorsCyclophosphamideGraft SurvivalThionucleotidesRemission InductionRetrospective Studies