title: Variability of perceived fatigue in primary biliary cirrhosis: implications for symptom assessment.
authors.forename: Julia
authors.initials: J
authors.lastname: Newton
authors.forename: David E J
authors.initials: DE
authors.lastname: Jones
mesh_terms: D002940:Circadian Rhythm / Q000502:physiology*; D018450:Disease Progression; D005221:Fatigue / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D005260:Female; D006801:Humans; D008105:Liver Cirrhosis, Biliary / Q000150:complications / Q000473:pathology* / Q000503:physiopathology; D011788:Quality of Life; D012720:Severity of Illness Index