title: A double-blind study of zomepirac sodium and placebo in the treatment of muscle contraction headache.
mesh_terms: D000328:Adult; D000700:Analgesics / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006261:Headache / Q000188:drug therapy* / Q000209:etiology; D006801:Humans; D008297:Male; D009119:Muscle Contraction; D011758:Pyrroles / Q000627:therapeutic use*; D014046:Tolmetin / Q000031:analogs & derivatives / Q000627:therapeutic use*
chemical_list: D000700:Analgesics; D011758:Pyrroles; C020549:zomepirac; D014046:Tolmetin