title: A comparison of codeine compound and "saridone" in the pain of rheumatoid arthritis.
mesh_terms: D000328:Adult; D000368:Aged; D000983:Antipyrine / Q000008:administration & dosage*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D002110:Caffeine / Q000008:administration & dosage; D002986:Clinical Trials as Topic; D003061:Codeine / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010615:Phenacetin / Q000008:administration & dosage*; D010919:Placebos
chemical_list: D010919:Placebos; D002110:Caffeine; D010615:Phenacetin; D000983:Antipyrine; D003061:Codeine