Ragert, P., Camus, M., Vandermeeren, Y., Dimyan, M. A., & Cohen, L. G. (2009). Modulation of effects of intermittent theta burst stimulation applied over primary motor cortex (M1) by conditioning stimulation of the opposite M1. Journal of Neurophysiology, 102(2), 766-773. doi:10.1152/jn.00274.2009.