Collection: 01-internacional Database: MEDLINE Main subject: Blood Donors / Blood Transfusion / Enzyme-Linked Immunosorbent Assay / AIDS Serodiagnosis / HIV Infections / Mass Screening Type of study: Clinical_trials / Diagnostic_studies / Prevalence_studies / Prognostic_studies / Risk_factors_studies / Screening_studies Limits: Humans Country/Region as subject: Europa Language: En Journal: Vox Sang Year: 1994 Document type: Article