title: Absence of HIV-1 DNA in high-risk seronegative individuals using high-input polymerase chain reaction.
mesh_terms: D004279:DNA, Viral / Q000235:genetics* / Q000302:isolation & purification; D005819:Genetic Markers; D006679:HIV Seropositivity / Q000382:microbiology*; D015497:HIV-1 / Q000235:genetics*; D006801:Humans; D016133:Polymerase Chain Reaction / Q000379:methods; D012307:Risk Factors
chemical_list: D004279:DNA, Viral; D005819:Genetic Markers