[Clinical studies on aphtha (author's transl)].
D000328:Adult; D000368:Aged; D001528:Behcet Syndrome / Q000209:etiology; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013281:Stomatitis, Aphthous / Q000209:etiology