title: The protective effect of ketotifen in bronchial asthma.
mesh_terms: D001249:Asthma / Q000145:classification / Q000188:drug therapy* / Q000517:prevention & control*; D002986:Clinical Trials as Topic; D004205:Cromolyn Sodium / Q000031:analogs & derivatives / Q000627:therapeutic use; D005260:Female; D006634:Histamine H1 Antagonists; D006801:Humans; D007665:Ketotifen; D008297:Male; D010880:Piperidines / Q000627:therapeutic use*; D013876:Thiophenes / Q000627:therapeutic use*
chemical_list: D006634:Histamine H1 Antagonists; D010880:Piperidines; D013876:Thiophenes; D004205:Cromolyn Sodium; D007665:Ketotifen