Functional status class I, II or III classified according to the ACR (American College of Rheumatology) 1991 revised criteria (Appendix 3). [clinicaltrials_resource:6cee602e0226d0460b069daadf41fb01]

Functional status class I, II or III classified according to the ACR (American College of Rheumatology) 1991 revised criteria (Appendix 3). [clinicaltrials_resource:6cee602e0226d0460b069daadf41fb01]