Abnormal neuropsychological findings are not necessarily a sign of cerebral impairment: a matched comparison between chronic fatigue syndrome and multiple sclerosis.
Neuropsychiatry Neuropsychol Behav Neurol. 2000 Jul;13(3):199-203.
Neuropsychiatry Neuropsychol Behav Neurol. 2000.
PMID: 10910092