Toong-Hua LIANG, et al. “Efficacy and Safety of Opinercept Tumor Necrosis Factor Inhibitor Therapy for Drug-Refractory Rheumatoid Arthritis: A Randomized Clinical Trial”. Archives of Rheumatology, vol. 35, no. 2, June 2020, pp. 170-9, doi:10.46497/ArchRheumatol.2020.7464.