title: Progress in gene therapy: seeing is believing.
authors.affiliation: Department of Nuclear Medicine, University Medical Center Nijmegen, Nijmegen, The Netherlands.
authors.forename: O C
authors.initials: OC
authors.lastname: Boerman
authors.forename: W J
authors.initials: WJ
authors.lastname: Oyen
authors.forename: F H
authors.initials: FH
authors.lastname: Corstens
mesh_terms: D015971:Gene Expression Regulation, Enzymologic; D015316:Genetic Therapy / Q000639:trends*; D005822:Genetic Vectors; D006147:Guanine / Q000031:analogs & derivatives; D018259:Herpesvirus 1, Human / Q000201:enzymology; D006801:Humans; D019275:Radiopharmaceuticals; D013937:Thymidine Kinase / Q000235:genetics; D014162:Transfection
chemical_list: C113308:9-(4-fluoro-3-hydroxymethylbutyl)guanine; D019275:Radiopharmaceuticals; D006147:Guanine; D013937:Thymidine Kinase