title: The Pediatric Rheumatology Collaborative Study Group--the first nine years.
mesh_terms: D000367:Age Factors; D000893:Anti-Inflammatory Agents / Q000627:therapeutic use*; D001171:Arthritis, Juvenile / Q000188:drug therapy; D002648:Child; D002986:Clinical Trials as Topic; D006801:Humans; D012216:Rheumatic Diseases / Q000188:drug therapy*
chemical_list: D000893:Anti-Inflammatory Agents