title: HIV seropositivity of blood donations in Spain: a 4-year surveillance (1988-1991). The HIV Blood Donations Study Group.
authors: R
authors: R
authors: de Andres-Medina
authors: L
authors: L
authors: Perez-Alvarez
authors: R
authors: R
authors: Najera-Morrondo
mesh_terms: D001782:Blood Donors; D005260:Female; D015528:HIV Seroprevalence; D006801:Humans; D008297:Male; D013030:Spain / Q000453:epidemiology; D013997:Time Factors