Relative Impact of Pain and Fatigue on Work Productivity in Patients with Rheumatoid Arthritis from the RA-BEAM Baricitinib Trial. - Michaud, Kaleb; Pope, Janet E.; Emery, Paul; Zhu, Baojin; Gaich, Carol L.; DeLozier, Amy M.; Zhang, Xiang; Dickson, Christina L.; Smolen, Josef S. (Rheumatology & Therapy, 2019)