title: Introduction to the issues: viral vectors and potential problems in their use.
authors: Laboratory of Retrovirus Research, CBER, FDA, Bethesda, MD 20892.
authors: D M
authors: DM
authors: Klinman
mesh_terms: D000818:Animals; D001688:Biological Products / Q000096:biosynthesis / Q000235:genetics / Q000592:standards*; D004340:Drug Contamination; D015316:Genetic Therapy; D005822:Genetic Vectors; D006801:Humans; D012449:Safety; D014481:United States; D014486:United States Food and Drug Administration; D014780:Viruses / Q000235:genetics*
chemical_list: D001688:Biological Products