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Rounis E, Lee L, Siebner HR, Rowe JB, Friston KJ, Rothwell JC, Frackowiak RS.Rounis E, et al. Among authors: siebner hr.Neuroimage. 2005 May 15;26(1):164-76. doi: 10.1016/j.neuroimage.2005.01.037.Neuroimage. 2005.PMID: 15862216Clinical Trial.