Bourne, A., Dodds, C., Weatherburn, P. and Keogh, P. (2011) Perceptions of superinfection risk among gay men with HIV who have unprotected anal intercourse. International Journal of STD & AIDS, 22 (4). pp. 190-193. ISSN 0956-4624 (Print), 1758-1052 (Online) (doi:https://doi.org/10.1258/ijsa.2011.010116)