TY - RPRT TI - A procedure to validate three-dimensional motion assessment systems. AU - K J DeLuzio AU - U P Wyss AU - J Li AU - P A Costigan PY - 1993 DO - 10.1016/0021-9290(93)90037-f UR - https://pubmed.ncbi.nlm.nih.gov/8514818/ ID - 8514818 ER -