title: One-third of HIV patients were not aware of their risk. Should physicians screen all patients for HIV?
mesh_terms: D015492:AIDS Serodiagnosis / Q000706:statistics & numerical data*; D015658:HIV Infections / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans; D015995:Prevalence; D012307:Risk Factors; D014481:United States / Q000453:epidemiology