Puts D., Dawood K., Welling L. Why women have orgasms: an evolutionary analysis. Archives of Sexual Behavior. 2012; 41(5): 1127–1143.
231
Frederick D., St. John K., Garcia J., Lloyd E. Differences in Orgasm Frequency Among Gay, Lesbian, Bisexual, and Heterosexual Men and Women in a U.S. National Sample. Archives of Sexual Behavior. 2018; 47(1): 273–288.