[The local treatment of allergic rhinitis with dexamethasone powder. A double blind experiment].
D003907:Dexamethasone; D004311:Double-Blind Method; D006801:Humans; D011208:Powders; D065631:Rhinitis, Allergic; D006255:Rhinitis, Allergic, Seasonal
D011208:Powders; D003907:Dexamethasone
DEXAMETHASONE; HAY FEVER