Sex, drugs, and rock 'n' roll: hypothesizing common mesolimbic activation as a function of reward gene polymorphisms. The Journal of Sexual Medicine. International Journal of Family Medicine. （原始内容存档于2016-10-21）. Medical and Psychosocial Aspects of Chronic Illness and Disability. The Architects' Journal 221. （原始内容存档于2021-08-14）.由于土库曼斯坦相对封闭，土库曼美女有许多鲜为人知的事情。如此看来男人爱美女是一种基于优化选择的天性。这种不自觉的行为实现了人类的一个主要目标：减轻压力。为了让情人节的无忧大陆更加绚丽更加罗曼蒂克，传说中的爱之精灵决定送给所有魔力玩家一份最温馨可爱的礼物--情人节特别宠物计划！ 參見第11頁 （页面存档备份，存于互联网档案馆）以及第47-49頁 （页面存档备份，存于互联网档案馆）（有关如何界定「失貞」及性交和性活動的觀点、男同性戀者和女同性戀者如何定義失貞，以及有多少研究人員和異性戀者按有否進行陰莖-陰道交定義失貞的信息）Laura M.
（原始内容存档于2015-03-26）. The Marriage and Family Experience: Intimate Relationships in a Changing Society. Handbook of Divorce and Relationship Dissolution. Natural rewards, neuroplasticity, and non-drug addictions. （原始内容存档于2017-04-17）. Marriages and Families in the 21st Century: 中國成人影片 A Bioecological Approach. 150.0 150.1 Blum K, Werner T, Carnes S, Carnes P, Bowirrat A, Giordano J, Oscar-Berman M, Gold M.
The New Joy of Sex: A Gourmet Guide to Lovemaking. Sex, Drugs and Young People: International Perspectives. The Functional Anatomy of Impulse Control Disorders. JAMA: The Journal of the American Medical Association.
（原始内容存档于2015-03-26）. The Marriage and Family Experience: Intimate Relationships in a Changing Society. Handbook of Divorce and Relationship Dissolution. Natural rewards, neuroplasticity, and non-drug addictions. （原始内容存档于2017-04-17）. Marriages and Families in the 21st Century: 中國成人影片 A Bioecological Approach. 150.0 150.1 Blum K, Werner T, Carnes S, Carnes P, Bowirrat A, Giordano J, Oscar-Berman M, Gold M.
The New Joy of Sex: A Gourmet Guide to Lovemaking. Sex, Drugs and Young People: International Perspectives. The Functional Anatomy of Impulse Control Disorders. JAMA: The Journal of the American Medical Association.
