title: Chronic fatigue: a tiring clinical challenge.
authors.forename: Joseph S
authors.initials: JS
authors.lastname: Sanfilippo
mesh_terms: D000293:Adolescent; D002908:Chronic Disease; D005221:Fatigue / Q000209:etiology*; D006801:Humans; D010808:Physical Examination; D010817:Physician-Patient Relations