THU0432 Apremilast, An Oral Phosphodiesterase 4 Inhibitor, Is Associated with Long-Term (104-Week) Improvement in Fatigue in Patients with Psoriatic Arthritis: Pooled Results from 3 Phase III, Randomized, Controlled TrialsArthur Kavanaugh, P. J. Mease, Christopher J Edwards et al.|Annals of the Rheumatic Diseases|2016Cited by 6