TY - RPRT TI - External knee joint design based on normal motion. AU - P S Walker AU - H Kurosawa AU - J S Rovick AU - R A Zimmerman PY - 1985 DO - 10.1682/jrrd.1985.01.0009 UR - https://pubmed.ncbi.nlm.nih.gov/4009509/ ID - 4009509 ER -