Algaba, Ferran, and Gabriella Nesi. “Brief History of the Who Blue Books on Urinary and Male Genital Tumours”. Pathologica - Journal of the Italian Society of Anatomic Pathology and Diagnostic Cytopathology 115, no. 1 (February 23, 2023): 1-2. Accessed July 16, 2024. https://www.pathologica.it/article/view/840.