Reliability of the ICF core set for rheumatoid arthritis

Uhlig T, Lillemo S, Moe RH, Stamm T, Cieza A, Boonen A, Mowinckel P, Kvien TK, Stucki GD.
Reliability of the ICF core set for rheumatoid arthritis.
Ann Rheum Dis. 2007; 66(8):1078-1084.