Test-retest reliability for HAQ-DI and SF-36 PF for the measurement of physical function in psoriatic arthritis by Leung, YY, Tillett, W, Hojgaard, P, Orbai, A-M, Holland, R, Mathew, AJ, Goel, N, Chau, J, Lindsay, C, Ogdie, A, Coates, LC, Christensen, R, Mease, P, Strand, V, Gladman, DD

Clinical trial discrimination of physical function instruments for psoriatic arthritis: A systematic review by Leung, Y-Y, Holland, R, Mathew, AJ, Lindsay, C, Goel, N, Ogdie, A, Orbai, A-M, Hojgaard, P, Chau, J, Coates, LC, Strand, V, Gladman, DD, Christensen, R, Tillett, W, Mease, P

OMERACT Filter 2.1 instrument selection for physical function domain in psoriatic arthritis: Provisional endorsement for HAQ-DI and SF-36 PF by Leung, Y-Y, Orbai, A-M, Hojgaard, P, Holland, R, Mathew, AJ, Goel, N, Chau, J, Tillett, W, Lindsay, C, Ogdie, A, Coates, LC, Gladman, DD, Christensen, R, Mease, P, Strand, V