title: A comparative study of diclofenac and sulindac in ankylosing spondylitis.
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D004008:Diclofenac / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007192:Indenes / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D010648:Phenylacetates / Q000627:therapeutic use*; D013167:Spondylitis, Ankylosing / Q000188:drug therapy; D013467:Sulindac / Q000627:therapeutic use*
chemical_list: D007192:Indenes; D010648:Phenylacetates; D004008:Diclofenac; D013467:Sulindac