title: Patterns of disease in rheumatoid arthritis.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000893:Anti-Inflammatory Agents / Q000627:therapeutic use; D001172:Arthritis, Rheumatoid / Q000188:drug therapy / Q000453:epidemiology* / Q000503:physiopathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D000893:Anti-Inflammatory Agents