A case of pigmented dermatofibrosarcoma protuberans of the external genitalia
Wang Shi, Liu Xiaoming, Li Yugang, Shi Nian, Wang Qun
Chinese Journal of Dermatology . 2019, (4): 273 -274 .  DOI: 10.3760/cma.j.issn.0412-4030.2019.04.011