Hickson, F., Bonell, C., Hargreaves, J., Reid, D., & Weatherburn, P. (2012). HIV Testing and HIV Serostatus-Specific Sexual Risk Behaviour Among Men Who Have Sex with Men Living in England and Recruited Through the Internet in 2001 and 2008. Sex Res Social Policy.

Hickson, Ford, Chris Bonell, James Hargreaves, David Reid, und Peter Weatherburn. "HIV Testing and HIV Serostatus-Specific Sexual Risk Behaviour Among Men Who Have Sex With Men Living in England and Recruited Through the Internet in 2001 and 2008." Sex Res Social Policy 2012.

Hickson, Ford, et al. "HIV Testing and HIV Serostatus-Specific Sexual Risk Behaviour Among Men Who Have Sex With Men Living in England and Recruited Through the Internet in 2001 and 2008." Sex Res Social Policy 2012.