title: Circadian changes in the inhibitory effects of an antihistaminic drug in man.
mesh_terms: D000293:Adolescent; D000328:Adult; D002940:Circadian Rhythm; D005260:Female; D006632:Histamine; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D006801:Humans; D008297:Male; D012882:Skin Tests
chemical_list: D006634:Histamine H1 Antagonists; D006632:Histamine