title: Trial of a new antihistamine--tavegyl.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002986:Clinical Trials as Topic; D005260:Female; D006634:Histamine H1 Antagonists; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D006634:Histamine H1 Antagonists