Shor, Eran; Seida, Kimberly (January 2019). “"Harder and Harder"? Is Mainstream Pornography Becoming Increasingly Violent and Do Viewers Prefer Violent Content?”. Journal of Sex Research56 (1): 16-28. doi:10.1080/00224499.2018.1451476. ISSN1559-8519. PMID29669431.
Javanbakht, Marjan; Dillavou, M. Claire; Rigg, Robert W.; Kerndt, Peter R.; Gorbach, Pamina M. (March 2017). “Transmission Behaviors and Prevalence of Chlamydia and Gonorrhea Among Adult Film Performers”. Sexually Transmitted Diseases44 (3): 181?186. doi:10.1097/OLQ.0000000000000567. ISSN1537-4521. PMID28182592.
Shor, Eran; Seida, Kimberly (January 2019). “"Harder and Harder"? Is Mainstream Pornography Becoming Increasingly Violent and Do Viewers Prefer Violent Content?”. Journal of Sex Research56 (1): 16-28. doi:10.1080/00224499.2018.1451476. ISSN1559-8519. PMID29669431.
Javanbakht, Marjan; Dillavou, M. Claire; Rigg, Robert W.; Kerndt, Peter R.; Gorbach, Pamina M. (March 2017). “Transmission Behaviors and Prevalence of Chlamydia and Gonorrhea Among Adult Film Performers”. Sexually Transmitted Diseases44 (3): 181?186. doi:10.1097/OLQ.0000000000000567. ISSN1537-4521. PMID28182592.
Shor, Eran; Seida, Kimberly (January 2019). “"Harder and Harder"? Is Mainstream Pornography Becoming Increasingly Violent and Do Viewers Prefer Violent Content?”. Journal of Sex Research56 (1): 16-28. doi:10.1080/00224499.2018.1451476. ISSN1559-8519. PMID29669431.
Javanbakht, Marjan; Dillavou, M. Claire; Rigg, Robert W.; Kerndt, Peter R.; Gorbach, Pamina M. (March 2017). “Transmission Behaviors and Prevalence of Chlamydia and Gonorrhea Among Adult Film Performers”. Sexually Transmitted Diseases44 (3): 181?186. doi:10.1097/OLQ.0000000000000567. ISSN1537-4521. PMID28182592.