title: FDA issues final guidance on nucleic acid tests.
mesh_terms: D015492:AIDS Serodiagnosis / Q000379:methods*; D017408:Guidelines as Topic; D015497:HIV-1 / Q000235:genetics*; D016174:Hepacivirus / Q000235:genetics*; D006526:Hepatitis C / Q000175:diagnosis*; D006801:Humans; D016133:Polymerase Chain Reaction; D012367:RNA, Viral / Q000032:analysis*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D012367:RNA, Viral