Henderson, L; Keogh, P; Weatherburn, P; Reid, D; (2001) Managing uncertainty: risk and unprotected anal intercourse among gay men who do not know their HIV status. Project Report. S. DOI: https://doi.org/10.17037/PUBS.01386846

Henderson, L; Reid, D; Hickson, F; McLean, S; Cross, J; Weatherburn, P; (2001) First, service relationships, sex and health amongst lesbian and bisexual women. Technical Report. Sigma Research, London. https://researchonline.lshtm.ac.uk/id/eprint/1402 Full text not available from this repository.

Hickson, F; Hartley, M; Weatherburn, P; (2001) London counts: HIV prevention needs and interventions among gay men in 16 London Health Authorities. Project Report. Sigma Research. DOI: https://doi.org/10.17037/PUBS.01386848

Hickson, F; Reid, D; Weatherburn, P; Stephens, M; Brown, D; (2001) Time for more: findings from the National Gay Men's Sex Survey, 2000. Technical Report. Sigma Research, London. https://researchonline.lshtm.ac.uk/id/eprint/1404

Keogh, P; (2001) How to be a healthy homosexual: a study of CHAPS HIV health promotion with gay men. Project Report. Sigma Research. DOI: https://doi.org/10.17037/PUBS.01386847