V3-Serotyping Programme evaluated for HIV-1 variation in the Netherlands and Curacao / F. de Wolf ... [et al.]Monitoring of human immunodeficiency virus type 1 (HIV-1) infection in the Netherlands / [ed.: Frank de Wolf ... et al.]Monitoring Report 2012 : Human Immunodeficiency Virus (HIV) Infection in the Netherlands / Ard van Sighem, Colette Smit, Rebecca Holman, Luuk Gras, Ineke Stolte, Daniela Bezemer and Frank de Wolf on behalf of the Netherlands collaborative HIV treatment centres