Derek C. Polonsky, Ph.D.

Derek C. Polonsky, Ph.D.

  • Popularity : 0.6
  • Known For : Acting
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Derek C. Polonsky, Ph.D. Movies

  • 1992
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    You Can Last Longer: Solutions for Ejaculatory Control
    You Can Last Longer: Solutions for Ejaculatory Control

    2 1992 HD

    Dr. Derek C. Polonsky of Harvard Medical School and certified sex therapist Marian E. Dunn lead you through this unique video guide for achieving...

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