The diagnosis of ulcerative vesicular and bullous lesions.
D001768:Blister / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D009059:Mouth Diseases / Q000175:diagnosis*; D012008:Recurrence; D013281:Stomatitis, Aphthous / Q000175:diagnosis; D013283:Stomatitis, Herpetic / Q000175:diagnosis; D014456:Ulcer / Q000175:diagnosis*