Hermano Ingo Krebs Bruce T. Volpe M. L. Aisen W. Hening Sergei V. Adamovich Howard Poizner K. Subrahmanyan Neville Hogan Robotic applications in neuromotor rehabilitation. 3-11 2003 21 Robotica 1 http://dx.doi.org/10.1017/S0263574702004587 db/journals/robotica/robotica21.html#KrebsVAHAPSH03