Liver Failure, AcuteHepatitis, Viral, HumanHepatitis BHepatitis CHepatitis AHepatitis B Surface AntigensLiver FailureHepatitis B virusHepatitis, ChronicLiver, ArtificialHepatitisHepatitis B, ChronicAcetaminophenHepatic EncephalopathyHepatitis C, ChronicDrug-Induced Liver InjuryLiver TransplantationLiver CirrhosisHepatitis B AntigensLiverLiver DiseasesAnalgesics, Non-NarcoticHepatitis, AutoimmuneHepatitis A virusHepatitis, AlcoholicLiver Function TestsSorption DetoxificationGalactosamineHepatitis B AntibodiesHepacivirusAlanine TransaminaseHepatitis VirusesHepatitis B e AntigensHepatitis AntibodiesHepatitis B VaccinesHepatitis, Viral, AnimalHepatitis A VaccinesHepatitis EAcute DiseaseHepatitis A AntibodiesHepatocytesHepatitis DHepatitis E virusLiver NeoplasmsBilirubinHepatitis C AntibodiesHepatitis B Core AntigensHepatitis A Virus, HumanHepatovirusViral Hepatitis VaccinesJaundiceAspartate AminotransferasesHepatitis, AnimalMushroom PoisoningHyperammonemiaAntiviral AgentsLiver RegenerationHepatitis Delta VirusKeratin-18Carcinoma, HepatocellularDrug OverdoseDNA, ViralDNA Virus InfectionsTreatment OutcomeTransaminasesRetrospective StudiesMurine hepatitis virusInterferon-alphaIntracranial HypertensionFatty LiverHeart FailureExtracorporeal CirculationPlasma ExchangeIntracranial PressureTime FactorsHepatectomyArtificial OrgansFatal OutcomeAmmoniaRNA, ViralGenotypeRibavirinLiver Cirrhosis, AlcoholicRisk FactorsBiological MarkersProthrombin TimeEnd Stage Liver DiseaseSeroepidemiologic StudiesSeverity of Illness IndexCross CirculationHepatolenticular DegenerationChronic DiseaseNecrosisPrognosisDisease Models, AnimalHepatitis B Virus, WoodchuckPrevalenceHepatitis C AntigensMultiple Organ FailureProspective Studies