Oral ulceration in children.
D002648:Child; D006557:Herpangina / Q000175:diagnosis; D006801:Humans; D009059:Mouth Diseases / Q000175:diagnosis*; D013281:Stomatitis, Aphthous / Q000175:diagnosis; D013283:Stomatitis, Herpetic / Q000175:diagnosis; D014456:Ulcer / Q000175:diagnosis*