title: Medical literature generally defines fatigue as an overwhelming sense of tiredness. Preface.
authors.forename: Adrian
authors.initials: A
authors.lastname: Cristian
authors.forename: Brian D
authors.initials: BD
authors.lastname: Greenwald
mesh_terms: D003937:Diagnosis, Differential; D004185:Disability Evaluation; D017079:Exercise Tolerance / Q000502:physiology; D005221:Fatigue / Q000175:diagnosis / Q000209:etiology / Q000534:rehabilitation; D006801:Humans; D009103:Multiple Sclerosis / Q000150:complications* / Q000503:physiopathology