Integrated analysis of single-cell RNA-seq, bulk RNA-seq, Mendelian randomization, and eQTL reveals T cell-related nomogram model and subtype classification in rheumatoid arthritis oleh Qiang Ding, Qingyuan Xu, Yini Hong, Honghai Zhou, Xinyu He, Chicheng Niu, Zhao Tian, Hao Li, Ping Zeng, Jinfu Liu