Aphthous stomatitis.
D006801:Humans; D000077771:Methantheline; D000644:Quaternary Ammonium Compounds / Q000627:therapeutic use*; D012472:Salivation; D013280:Stomatitis; D013281:Stomatitis, Aphthous / Q000628:therapy*
D000644:Quaternary Ammonium Compounds; D000077771:Methantheline
METHANTHELINE/therapeutic use; SALIVATION; STOMATITIS, APHTHOUS/therapy