Pukiusap por Strömquist, Liv

Orgasm, longevity, and camote por Chua, Philip S.

The science of orgasm por Komisaruk, Barry R.

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Drug to prolong sex coming

What is orgasm? por Eliciano, Tranquilino A. Jr

For yourself the fulfillment of female sexuality por Barbach, Lonnie Garfield 1946-

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Come again? (and again and again) por Paredes, Andrew A.

The Hite report on male sexuality por Hite, Shere

The hite report on male sexuality por Hite, Shere

The Hite report on male sexuality por Hite, Shere