RT Journal Article SR Electronic T1 Genetic studies of psoriatic arthritis: dissecting joints and skin. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 3 OP 5 VO 28 IS 1 A1 A C Barton A1 I N Bruce A1 A J Silman YR 2001 UL http://www.jrheum.org/content/28/1/3.abstract AB