Michael O’Leary, MD, professor of surgery, Harvard Medical School; senior urologist 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 in Atlanta.
BJU International: “Penis Size and ‘Small Penis Syndrome’.”
National Health Service (UK): “Penis Enlargement”.
Indiana University’s Kinsey Institute: “Frequently Asked Questions About Penis Size and Bibliography.”
Mayo Clinic: “Peyronie’s Disease”, “Erectile Dysfunction”, “Sexual Therapy”.
FDA: “510 (k) Premarket Notification: Elastomer Silicone Block”.
The Journal of Sexual Medicine: “A Retrospective and Preliminary Assessment by a Single Surgeon of the Safety and Efficacy of Penuma Silicone Sleeve Implant for Elective Cosmetic Correction of Flaccid Penis.”