Clinical experience with extil.
D000328:Adult; D004809:Ephedrine / Q000627:therapeutic use*; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008298:Maleates / Q000627:therapeutic use*; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*
D006634:Histamine H1 Antagonists; D008298:Maleates; D004809:Ephedrine