Gastric aphthae: an initial manifestation of Crohn's disease.
D000293:Adolescent; D003424:Crohn Disease / Q000150:complications / Q000175:diagnosis*; D005260:Female; D006801:Humans; D013276:Stomach Ulcer / Q000209:etiology*; D013281:Stomatitis, Aphthous / Q000188:drug therapy / Q000209:etiology