title: The use of a multiphasic anti-histaminic preparation in the treatment of hay fever: a double-blind, cross-over, placebo-controlled study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000661:Amphetamine / Q000627:therapeutic use*; D001562:Benzimidazoles / Q000627:therapeutic use; D002648:Child; D002986:Clinical Trials as Topic; D005260:Female; D005419:Flavonoids / Q000627:therapeutic use*; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*
chemical_list: D001562:Benzimidazoles; D005419:Flavonoids; D006634:Histamine H1 Antagonists; D010919:Placebos; D000661:Amphetamine