Validating the ICF comprehensive core set for rheumatoid arthritis from the patient perspective: a qualitative study

Stamm TA, Cieza A, Coenen M, Machold KP, Nell VPK, Smolen JS, Stucki G
Validating the International Classification of Functioning, Disability and Health Comprehensive Core Set for rheumatoid arthritis from the patient perspective: a qualitative study.
Arthritis Care & Research 2005, 53:431-439.