title: [Demonstration of the effect of antihistamine in nasal allergies by means of a double-blind study].
mesh_terms: D002986:Clinical Trials as Topic; D006634:Histamine H1 Antagonists / Q000494:pharmacology / Q000627:therapeutic use*; D006801:Humans; D010919:Placebos; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*
chemical_list: D006634:Histamine H1 Antagonists; D010919:Placebos
vernacular_title: Nachweis der Antihistaminwirkung bei nasalen Allergien mittels Doppelblindstudie.