title: Statistical approach to indices of disease activity in rheumatoid arthritis.
mesh_terms: D000704:Analysis of Variance; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D001241:Aspirin / Q000627:therapeutic use; D001799:Blood Sedimentation; D002986:Clinical Trials as Topic; D005221:Fatigue; D006801:Humans; D007213:Indomethacin / Q000627:therapeutic use*; D008722:Methods; D009068:Movement; D010146:Pain; D010653:Phenylbutazone / Q000627:therapeutic use; D010919:Placebos; D013223:Statistics as Topic
chemical_list: D010919:Placebos; D010653:Phenylbutazone; D001241:Aspirin; D007213:Indomethacin