005550000a22001570004500003000900000005001700009245010200026020001800128020001800146264003000164490004900194300000900243041000800252650006300260650007400323PH-MaWHO20241108112311.0 4aThe impact of voluntary counselling and testing : a global review of the benefits and challenges. aUNAIDS/01.32E a92-9173-077-7 aGeneva : bUNAIDS,c2001. a(UNAIDS best practice collection ; 2001:4). a94p. aeng aAcquired immunodeficiency syndromexPrevention and control aSex counselingxMethods, organization and administration, utilization