OKWU, N.; RAVINDRAANANDAN, M.; DAVIES, R.; YALLAPPA, S.; RAJJAYABUN, P. A Multi-Centre Snapshot Study Comparing Acute Urological Admissions during the COVID-19 Lockdown to a pre-COVID Period. Journal of Endoluminal Endourology, v. 3, n. 4, p. e32-e36, 10 Dec. 2020.