The spondylitis of juvenile rheumatoid arthritis.
D001168:Arthritis; D001171:Arthritis, Juvenile; D001172:Arthritis, Rheumatoid; D002648:Child; D006801:Humans; D007223:Infant; D013166:Spondylitis
ARTHRITIS, RHEUMATOID/in infant and child; SPONDYLITIS/in infant and child