005710000a22001570004500003000900000005001700009110006700026245009600093562003500189264004900224300000900273041000800282650004100290650006300331650001900394PH-MaWHO20241108112307.0  aCriteria for HIV Screening Programmes Meeting (1987 : Geneva).  aReport of the WHO Meeting on Criteria for HIV Screening Programmes, Geneva, 20-21 May 1987.  aWHO/SPA/GLO/87.2.--Unpublished  aGeneva : bWorld Health Organization,c1987.  a12p.  aeng  aHLTV-IIIxIsolation and purification  aAcquired immunodeficiency syndromexPrevention and control  aMass screening