“Hibiscus Extract, Vegetable Proteases and Commiphora Myrrha Are Useful to Prevent Symptomatic UTI Episode in Patients Affected by Recurrent Uncomplicated Urinary Tract Infections”. 2018. Archivio Italiano Di Urologia E Andrologia 90 (3): 203-7. https://doi.org/10.4081/aiua.2018.3.203.