Qian, Yue-Tong, Jia-Wei Liu, Wei Liu, and Dong-Lai Ma. 2019. “An Asymptomatic Verrucous Nodule on the Scrotum: A Quiz”. Acta Dermato-Venereologica 99 (4):466-67. https://doi.org/10.2340/00015555-3127.