Michael O’Leary, MD, professor of surgery, Harvard Medical School; senior urologic surgeon, Brigham and Women’s Hospital.
Petar Bajic, MD, urologist, Glickman Urological and Kidney Institute, Cleveland Clinic.
W. Myles Hassler, licensed professional counselor, certified sex therapist, Atlanta.
BJU International: “Penile size and the ‘small penis syndrome.’”
National Health Service (U.K.): “Penis enlargement.”
Kinsey Institute of Indiana University: “Penis size FAQ and bibliography.”
Mayo Clinic: “Peyronie’s disease,” “Erectile dysfunction,” “Sex therapy.”
FDA: “510(k) Premarket Notification: Elastomer Silicone Block.”
The Journal of Sexual Medicine: “A Single-Surgeon Retrospective and Preliminary Evaluation of the Safety and Effectiveness of the Penuma Silicone Sleeve Implant for Elective Cosmetic Correction of the Flaccid Penis.”