title: Antihistamines and managed care: old versus the new.
authors.forename: P J
authors.initials: PJ
authors.lastname: Hannaway
mesh_terms: D006634:Histamine H1 Antagonists / Q000145:classification / Q000191:economics / Q000627:therapeutic use; D006801:Humans; D008329:Managed Care Programs; D012221:Rhinitis, Allergic, Perennial / Q000188:drug therapy*
chemical_list: D006634:Histamine H1 Antagonists