title: EB or not EB--that is the question.
mesh_terms: D002908:Chronic Disease; D005221:Fatigue / Q000209:etiology*; D006566:Herpesviridae Infections / Q000175:diagnosis*; D004854:Herpesvirus 4, Human / Q000276:immunology; D006801:Humans; D012698:Serologic Tests