PT - JOURNAL ARTICLE AU - Paul Le Goff TI - Problems with definitions of disease patterns in psoriatic arthritis. DP - 2006 Jan 01 TA - The Journal of Rheumatology PG - 198--199 VI - 33 IP - 1 4099 - http://www.jrheum.org/content/33/1/198.1.short 4100 - http://www.jrheum.org/content/33/1/198.1.full SO - J Rheumatol2006 Jan 01; 33