title: [Preventive effect of ketotifen in allergic rhinitis caused by grasses].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D007665:Ketotifen / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D006109:Poaceae; D006255:Rhinitis, Allergic, Seasonal / Q000517:prevention & control*
chemical_list: D007665:Ketotifen
vernacular_title: Effetto preventivo del ketotifene nella rinite allergica da graminacee.