A case of erythema elevatum diutinum successfully treated with methotrexate
Xiong Qiying, Tian Xin, Ye Ruixian, Liu Huanyan, Dong Liangjiao, Zhang Xibao
Chinese Journal of Dermatology . 2022, (11): 1004 -1005 .  DOI: 10.35541/cjd.20200723