Del Popolo, Giulio, and Federico Nelli. “Recurrent Bacterial Symptomatic Cystitis: A Pilot Study on a New Natural Option for Treatment”. Archivio Italiano di Urologia e Andrologia 90, no. 2 (June 30, 2018): 101-103. Accessed September 28, 2020. https://www.pagepressjournals.org/index.php/aiua/article/view/aiua.2018.2.101.