Use of ritlecitinib in patients with alopecia areata refractory to tofacitinib or baricitinib: A single-center retrospective cohort study

Huang, J. and Jian, J. and Li, M. and Ji, R. and Tian, T. and Liang, X. and Zhao, Z. and Tang, Y. and Liu, F. and Li, J. and Shi, W.