GanciclovirCytomegalovirus InfectionsAntiviral AgentsThymidine KinaseCytomegalovirus RetinitisCytomegalovirusFoscarnetDrug PackagingAcyclovirSimplexvirusGenetic TherapyGenes, Transgenic, SuicideDrug ContaminationProdrugsRetinitisDrug StorageSyringesPhosphotransferases (Alcohol Group Acceptor)Herpesvirus 1, HumanGenetic VectorsGliosarcomaOrgan TransplantationBystander EffectAIDS-Related Opportunistic InfectionsOrganophosphonatesViremiaAdministration, OralAntimetabolitesTransplantation, HomologousAdenoviridaeDNA, ViralCytosineDrug Resistance, ViralRibonucleosidesInjections, IntravenousVitreous BodyOrganophosphorus CompoundsAcquired Immunodeficiency SyndromeDisposable EquipmentDrug ImplantsInjectionsBone Marrow TransplantationGene Transfer TechniquesOpportunistic InfectionsDimercaprolTumor Cells, CulturedAntigens, ViralVirologyHerpesvirus 6, HumanVirus CultivationTransduction, GeneticPneumonia, ViralTransplantation