Cognitive functioning and depression in patients with chronic fatigue syndrome and multiple sclerosis. Arch Neurol, 51(7), 705- 10. doi: 10.1001/archneur.1994.00540190089021
. (1994). Neuropsychological prediction of dementia and the absence of dementia in healthy elderly persons. Neurology, 44(8), 1427-32. doi: 10.1212/wnl.44.8.1427
. (1994). The effects of amantadine and pemoline on cognitive functioning in multiple sclerosis. Arch Neurol, 53(2), 185-8. doi: 10.1001/archneur.1996.00550020101021
. (1996).