title: Recurrent oral ulceration. A double-blind comparison of treatment with betamethasone valerate aerosol and placebo.
mesh_terms: D000293:Adolescent; D000328:Adult; D000336:Aerosols; D001623:Betamethasone / Q000031:analogs & derivatives*; D001624:Betamethasone Valerate / Q000008:administration & dosage / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D012008:Recurrence; D013281:Stomatitis, Aphthous / Q000188:drug therapy*
chemical_list: D000336:Aerosols; D010919:Placebos; D001623:Betamethasone; D001624:Betamethasone Valerate