Functional magnetic resonance imaging of human brain activity in a verbal fluency task
R Schlösser, M Hutchinson, S Joseffer, H Rusinek, A Saarimaki, J Stevenson, S L Dewey, J D Brodie
Journal of Neurology, Neurosurgery & Psychiatry Apr 1998, 64 (4) 492-498; DOI: 10.1136/jnnp.64.4.492