Model-based estimation of active knee stiffness.
Pfeifer S, Hardegger M, Vallery H, List R, Foresti M, Riener R, Perreault EJ.
Pfeifer S, et al. Among authors: riener r.
IEEE Int Conf Rehabil Robot. 2011;2011:5975474. doi: 10.1109/ICORR.2011.5975474.
IEEE Int Conf Rehabil Robot. 2011.
PMID: 22275672
Free PMC article.