TY - JOUR T1 - The challenge of early diagnosis of psoriatic arthritis. JF - The Journal of Rheumatology JO - J Rheumatol SP - 3 LP - 5 VL - 35 IS - 1 AU - Ignazio Olivieri AU - Salvatore D'Angelo AU - Angela Padula AU - Carlo Palazzi Y1 - 2008/01/01 UR - http://www.jrheum.org/content/35/1/3.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -