“Gas6 Expression and Tyrosine Kinase Axl Sky Receptors: Their Relation With Tumor Stage and Grade in Patients With Bladder Cancer”. Archivio Italiano di Urologia e Andrologia 93, no. 2 (June 28, 2021): 148–152. Accessed May 25, 2026. https://www.pagepressjournals.org/aiua/article/view/aiua.2021.2.148.