(en) Natalie J. Purcell, Violence and the Pornographic Imaginary : The Politics of Sex, Gender, and Aggression in Hardcore Pornography, Routledge, , 246 p. (ISBN978-0-415-52312-7, présentation en ligne), p. 110.
« You can also come into contact with a bacteria, virus, or parasite in someone's fecal matter through anal contact, specifically rimming or ass-to-mouth play: transferring a cock that's been in someone's ass directly to his or her mouth. »
(en) « New problems in the control of syphilis and gonorrhea », The Urologic and Cutaneous Review, Urologic & Cutaneous Press, vol. 48, , p. 253 (ISSN0892-8258, lire en ligne)
« In many instances, considerable versatility was displayed, with engagement in both male and female roles in rectal sodomy and fellatio ... »
(en) « New problems in the control of syphilis and gonorrhea », The Urologic and Cutaneous Review, Urologic & Cutaneous Press, vol. 48, , p. 253 (ISSN0892-8258, lire en ligne)
« In many instances, considerable versatility was displayed, with engagement in both male and female roles in rectal sodomy and fellatio ... »
« You can also come into contact with a bacteria, virus, or parasite in someone's fecal matter through anal contact, specifically rimming or ass-to-mouth play: transferring a cock that's been in someone's ass directly to his or her mouth. »