title: Trials of dipyrone in Thailand.
mesh_terms: D000632:Aminopyrine / Q000031:analogs & derivatives*; D002986:Clinical Trials as Topic; D004177:Dipyrone / Q000627:therapeutic use*; D004992:Ethics, Medical; D006801:Humans; D008614:Meperidine / Q000627:therapeutic use; D010149:Postoperative Pain / Q000188:drug therapy*; D013785:Thailand
chemical_list: D000632:Aminopyrine; D004177:Dipyrone; D008614:Meperidine