title: Onset of action of ibuprofen in the treatment of muscle-contraction headache.
authors.forename: B P
authors.initials: BP
authors.lastname: Schachtel
authors.forename: W R
authors.initials: WR
authors.lastname: Thoden
mesh_terms: D000293:Adolescent; D000328:Adult; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006261:Headache / Q000188:drug therapy* / Q000503:physiopathology; D006801:Humans; D007052:Ibuprofen / Q000494:pharmacology / Q000627:therapeutic use*; D009119:Muscle Contraction / Q000187:drug effects*; D011897:Random Allocation; D013997:Time Factors
chemical_list: D007052:Ibuprofen