Daiki Nakagomi. “A Case of Lupus Erythematosus Profundus With Severe Ulceration That Responded to Tumor Necrosis Factor-Alpha--Blocking Agents”. Archives of Rheumatology, vol. 37, no. 2, June 2022, pp. 313-4, doi:10.46497/ArchRheumatol.2022.8908.