Maurizi, A.; De Luca, F.; Zanghi, A.; Manzi, E.; Leonardo, C.; Guidotti, M.; Antonaccio, F.; Olivieri, V.; De Dominicis, C. The Role of Nutraceutical Medications in Men With Non Bacterial Chronic Prostatitis and Chronic Pelvic Pain Syndrome: A Prospective Non Blinded Study Utilizing Flower Pollen Extracts Versus Bioflavonoids. Arch Ital Urol Androl 2019, 90, 260-264.