Comparison of functional magnetic resonance imaging with positron emission tomography and magnetoencephalography to identify the motor cortex in a patient with an arteriovenous malformation. - Baumann,S.B.; Noll,D.C.; Kondziolka,D.S.; Schneider,W.; Nichols,T.E.; Mintun,M.A.; Lewine,J.D.; Yonas,H.; Orrison,W.W.; Sclabassi,R.J. (J Image Guid Surg, 1995)