title: Comparative trial of two non-sedative H1 antihistamines, terfenadine and astemizole for hay fever.
authors.forename: M B
authors.initials: MB
authors.lastname: Emanuel
mesh_terms: D016589:Astemizole; D001562:Benzimidazoles / Q000627:therapeutic use*; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*
chemical_list: D001562:Benzimidazoles; D006634:Histamine H1 Antagonists; D016589:Astemizole