Note: Lancet requires free registration prior to providing access. “Subthalamic nucleus versus globus pallidus bilateral deep brain stimulation for advanced Parkinson’s disease (NSTAPS study): a randomised controlled trial,” by Vincent J.J. Odekerken, Teus van Laar, Michiel J. Staal, Arne Mosch, Carel F.E. Hoffmann, Peter C.G. Nijssen, Guus N. Beute, Jeroen P.P. van Vugt, Mathieu W.P.M. Lenders, M. Fiorella Contarino, Marieke S.J. Mink, Lo J. Bour, Pepijn van den Munckhof, Ben A. Schmand, Rob J. de Haan, P. Richard Schuurman, and Rob M.A. de Bie (Vol. 12, No. 1, January 2013, p. 37-44).
www.thelancet.com/journals/laneur/article/PIIS1474-4422%2812%2970264-8/abstract