title: Mitochondrial disorders and exertional intolerance: controversy continues.
authors.forename: James E
authors.initials: JE
authors.lastname: Hansen
authors.forename: Richard
authors.initials: R
authors.lastname: Casaburi
mesh_terms: D017079:Exercise Tolerance; D006801:Humans; D017240:Mitochondrial Myopathies / Q000175:diagnosis* / Q000503:physiopathology