van Veen, MGSchaalma, Hvan Leeuwen, HPrins, Mde Zwart, Ovan de Laar, MJWHospers, HJ2025-03-202025-03-2020112157197110.1258/ijsa.2009.008511https://rivm.openrepository.com/handle/10029/645121Concurrent partnerships and sexual risk taking among African and Caribbean migrant populations in the NetherlandsArticleInt J STD Aids 2011; 22(5):245-502025-03-20