Levin, Roy J. (May 2006). "The breast/nipple/areola complex and human sexuality". Sexual & Relationship Therapy. 21 (2): 237–249. doi:10.1080/14681990600674674. S2CID219696836.
Kelly, Jeffrey A. (October 1995). "Advances in HIV/AIDS education and prevention". Family Relations. 44 (4): 345–352. doi:10.2307/584989. ISSN0197-6664. JSTOR584989.
Kelly, Jeffrey A. (October 1995). "Advances in HIV/AIDS education and prevention". Family Relations. 44 (4): 345–352. doi:10.2307/584989. ISSN0197-6664. JSTOR584989.
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Levin, Roy J. (May 2006). "The breast/nipple/areola complex and human sexuality". Sexual & Relationship Therapy. 21 (2): 237–249. doi:10.1080/14681990600674674. S2CID219696836.
Kelly, Jeffrey A. (October 1995). "Advances in HIV/AIDS education and prevention". Family Relations. 44 (4): 345–352. doi:10.2307/584989. ISSN0197-6664. JSTOR584989.