Gerressu, M; Mercer, CH; Graham, CA; Wellings, K; Johnson, AM; (2008) Prevalence of masturbation and associated factors in a British national probability survey. Archives of sexual behavior, 37 (2). pp. 266-278. ISSN 0004-0002 DOI: https://doi.org/10.1007/s10508-006-9123-6 Full text not available from this repository.

Griffiths, C; Johnson, AM; Fenton, KA; Erens, B; Hart, GJ; Wellings, K; Mercer, CH; (2011) Attitudes and first heterosexual experiences among Indians and Pakistanis in Britain: evidence from a national probability survey. International journal of STD & AIDS, 22 (3). pp. 131-139. ISSN 0956-4624 DOI: https://doi.org/10.1258/ijsa.2009.009496 Full text not available from this repository.

McDaid, LM; Weiss, HA; Hart, GJ; (2010) Circumcision among men who have sex with men in Scotland: limited potential for HIV prevention. Sexually transmitted infections, 86 (5). pp. 404-406. ISSN 1368-4973 DOI: https://doi.org/10.1136/sti.2010.042895