Prevalence and factors of sexual problems in Chinese males and females having sex with the same-sex partner in Hong Kong: a population-based study.
Lau JT, Kim JH, Tsui HY.
Int J Impot Res. 2006 Mar-Apr;18(2):130-40. doi: 10.1038/sj.ijir.3901368.
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"Fulfilling His Needs, Not Mine": Reasons for Not Talking About Painful Sex and Associations with Lack of Pleasure in a Nationally Representative Sample of Women in the United States.
Carter A, Ford JV, Luetke M, Fu TJ, Townes A, Hensel DJ, Dodge B, Herbenick D.