title: Author's response.
authors.forename: Robert
authors.initials: R
authors.lastname: Kapler
mesh_terms: D015492:AIDS Serodiagnosis / Q000592:standards*; D002487:Centers for Disease Control and Prevention, U.S.; D002985:Clinical Protocols / Q000592:standards*; D006679:HIV Seropositivity / Q000175:diagnosis*; D006801:Humans