title: Rheumatoid arthritis in children; a clinical study.
mesh_terms: D001168:Arthritis; D001172:Arthritis, Rheumatoid; D002648:Child; D006801:Humans; D007223:Infant
keywords: ARTHRITIS, RHEUMATOID/in infants and children
vernacular_title: Rheumatoid arthritis in children; a clinical study.