Rheumatoid spondylitis.
D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000628:therapy*; D006801:Humans; D013166:Spondylitis / Q000628:therapy*; D013167:Spondylitis, Ankylosing
ARTHRITIS, RHEUMATOID/therapy; SPONDYLITIS/therapy