Dr. Paulo Egydio wrote, at the invitation of renowned American Urologist Prof. Dr. Laurence A. Levine, Professor of Urology at "Rush University Medical Center", Chicago - USA, the Chapter entitled "Surgical Straightening With Tunica Incision and Grafting Technique" which was part of the American book, "Peyronie's Disease", published in 2007. He also produced a DVD on his original and revolutionary Surgical Procedure for correcting Peyronie Disease.