Bonato Paolo, Mork Paul Jarle, Sherrill Delsey M, Westgaard Rolf H
Motion Analysis Laboratory, Dept. of Physical Medicine and Rehabilitation, Harvard Medical School, Spaulding Rehabilitation Hospital, 125 Nashua Street, Boston, MA 02114, USA.
IEEE Eng Med Biol Mag. 2003 May-Jun;22(3):110-9. doi: 10.1109/memb.2003.1213634.