RT Journal Article SR Electronic T1 Ustekinumab for Resistant Psoriatic Arthritis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 207 OP 207 DO 10.3899/jrheum.121152 VO 40 IS 2 A1 DINNY E.J. WALLIS A1 NICOLA M. WALDRON A1 ELEANOR KORENDOWYCH YR 2013 UL http://www.jrheum.org/content/40/2/207.1.abstract AB