AgeusiaTissue and Organ ProcurementTissue DonorsBrain DeathOrgan TransplantationPresumed ConsentTissue and Organ HarvestingWaiting ListsCadaverTissue BanksDeathDonor SelectionOrgan PreservationUnited States Health Resources and Services AdministrationDirected Tissue DonationLiver TransplantationPrinciple-Based EthicsKidney TransplantationFacility Regulation and ControlHealth Care RationingTransplantationLiving DonorsUnited StatesGraft SurvivalValue-Based PurchasingInformed ConsentEnd Stage Liver DiseaseTransplantsHeart TransplantationEthics, MedicalLiver FailureFamilyRetrospective StudiesDrugs, EssentialRegistriesTime FactorsPatient SelectionPosthumous ConceptionTreatment OutcomeMedicareGraft RejectionOrgan Preservation SolutionsLiver DiseasesTransplantation, Homologous