Letter: Treatment of recurrent aphthous stomatitis and herpes with levamisole.
D002986:Clinical Trials as Topic; D006561:Herpes Simplex / Q000188:drug therapy*; D006801:Humans; D007111:Immunity, Cellular; D007978:Levamisole / Q000627:therapeutic use*; D010919:Placebos; D013281:Stomatitis, Aphthous / Q000188:drug therapy*
D010919:Placebos; D007978:Levamisole