Andeweg, ACBoers, PHMOsterhaus, ADMEBosch, ML2025-03-132025-03-131995https://rivm.openrepository.com/handle/10029/635844Impact of natural sequence variation in the V2 region of the envelope protein of human immunodeficiency virus type 1 on syncytium induction: a mutational analysis.ArticleJ Gen Virol 1995; 76:1901-72025-03-13