Cicione, A., F. Cantiello, G. Ucciero, A. Salonia, M. Torella, M. De Sio, R. Autorino, M. Romancik, R. Tomaskin, and R. Damiano. “Intravesical Treatment With Highly-Concentrated Hyaluronic Acid and Chondroitin Sulphate in Patients With Recurrent Urinary Tract Infections: Results from a Multicentre Survey”. Canadian Urological Association Journal, vol. 8, no. 9-10, Oct. 2014, pp. e721-7, doi:10.5489/cuaj.1989.