Identifying mediators of pain reduction in patients with psoriatic arthritis treated with tofacitinib: Role of inflammation associated with peripheral arthritis, enthesitis and skin disease - Taylor, PC; De Vlam, K; Bushmakin, AG; Fallon, L; Merola, JF; Cappelleri, JC; Hsu, MA; Mease, PJ (BMJ, 2020)