Safety and efficacy of elsubrutinib or upadacitinib alone or in combination (ABBV-599) in patients with rheumatoid arthritis and inadequate response or intolerance to biological th... by Fleischmann, R, Friedman, A, Drescher, E, Singhal, A, Cortes-Maisonet, G, Doan, T, Lu, W, Wang, Z, Nader, A, Housley, W, Cohen, S, Taylor, PC, Blanco, R