GanciclovirGelsAntiviral AgentsThymidine KinaseCytomegalovirus InfectionsCytomegalovirus RetinitisCytomegalovirusFoscarnetAcyclovirGenetic TherapyDyslipidemiasGenes, Transgenic, SuicideProdrugsRetinitisPhosphotransferases (Alcohol Group Acceptor)Herpesvirus 1, HumanGenetic VectorsGliosarcomaOrgan TransplantationBystander EffectOrganophosphonatesAIDS-Related Opportunistic InfectionsAdministration, OralAntimetabolitesTransplantation, HomologousElectrophoresis, Gel, Two-DimensionalAdenoviridaeViremiaCytosineDNA, ViralDrug Resistance, ViralRibonucleosidesInjections, IntravenousVitreous BodyOrganophosphorus CompoundsAcquired Immunodeficiency SyndromeDrug ImplantsTumor Cells, CulturedBone Marrow TransplantationElectrophoresis, Gel, Pulsed-FieldGene Transfer TechniquesDimercaprolOpportunistic InfectionsTransduction, GeneticHerpesvirus 6, HumanPneumonia, ViralErythroplasiaElectrophoresis, Agar Gel