title: Biodefense. Unnoticed amendment bans synthesis of smallpox virus.
authors.forename: Martin
authors.initials: M
authors.lastname: Enserink
mesh_terms: D035843:Biomedical Research / Q000331:legislation & jurisprudence*; D023482:Bioterrorism / Q000331:legislation & jurisprudence*; D005818:Genetic Engineering / Q000331:legislation & jurisprudence*; D016679:Genome, Viral; D014481:United States; D012901:Variola virus / Q000235:genetics*