Repetitive Transcranial Magnetic Stimulation (rTMS) of spinal cord for freezing of gait in Parkinson’s disease: A Pilot Study oleh M.A. Marcolin, B. Bellini, J. Reis, R. Carra, G.A. Nunes, J.S. Simões, M.J. Teixeira, K.P. Duarte, D.C. Andrade, E.R. Barbosa, R.G. Cury