Responses of human primary sensorimotor and supplementary motor areas to internally triggered unilateral and simultaneous bilateral one-digit movements. A high-resolution EEG study. - Urbano, A.; Babiloni, C.; Onorati, P.; Carducci, F.; Ambrosini, A.; Fattorini, L.; Babiloni, F. (European Journal of Neuroscience, 1998)