Squamous cell carcinoma of the lips secondary to discoid lupus erythematosus: five cases report
YANG Weiping, ZHENG Chongyang, GAO Minghua, WANG Zhonghua, SHENG Meichun, YANG Jianqiang
China Journal of Leprosy and Skin Diseases . 2019, (9): 558 -559 .  DOI: 10.12144/zgmfskin201909558