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APA Citation
de Voux, A., Baral, S. D., Bekker, L., Beyrer, C., Phaswana-Mafuya, N., Siegler, A. J., Sullivan, P. S., Winskell, K., & Stephenson, R. (2016). a social network typology and sexual risk-taking among men who have sex with men in Cape Town and Port Elizabeth, South Africa. Culture, health & sexuality, 18(5), 509–523. http://access.bl.uk/ark:/81055/vdc_100033828011.0x000028