“Endothelin-1 Indicates Unfavorable Prognosis in Primary High-Grade Non-Muscle-Invasive Urothelial Bladder Cancer”. Archivio Italiano Di Urologia E Andrologia, vol. 93, no. 2, June 2021, pp. 143-7, https://doi.org/10.4081/aiua.2021.2.143.