RT Journal Article SR Electronic T1 Efficacy and Safety of Ixekizumab in Patients with Active Psoriatic Arthritis: 52-week Results from a Phase III Study (SPIRIT-P1) JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1608 OP 1608 DO 10.3899/jrheum.170429.C1 VO 45 IS 11 YR 2018 UL http://www.jrheum.org/content/45/11/1608.abstract AB