[Azelastine hydrochloride in the treatment of allergic rhinitis].
Gu
Zhi-Yan
ZY
D006633:Histamine Antagonists / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D010793:Phthalazines / Q000008:administration & dosage / Q000627:therapeutic use*; D012221:Rhinitis, Allergic, Perennial / Q000188:drug therapy*
D006633:Histamine Antagonists; D010793:Phthalazines; C020976:azelastine