title: Fatigue and psychological states and traits in systemic lupus erythematosus: association or causation?
authors.forename: Niels Henrik
authors.initials: NH
authors.lastname: Hjollund
authors.forename: Ole Nørby
authors.initials: ON
authors.lastname: Hansen
mesh_terms: D000275:Adjustment Disorders / Q000175:diagnosis / Q000523:psychology*; D003430:Cross-Sectional Studies; D005221:Fatigue / Q000209:etiology* / Q000523:psychology*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000150:complications* / Q000523:psychology*; D008950:MMPI; D009483:Neuropsychological Tests