Whalley D, Doward LC, Dewar AL, McKenna SP, Tennant A, Emery P. The development of a quality of life measure specific to psoriatic arthritis. Poster presented at the 6th Annual Conference of the International Society for Quality of Life Research (ISOQOL); November 1999. Barcelona, Spain. [abstract] Qual Life Res. 1999 Nov; 8(7):652.