Karrar, R., Movement-Related Brain Potentials in Down Syndrome, KU# 4297, July 1, 1994, Box: 46, Folder: 24. University of Kansas Schiefelbusch Institute for Life Span Studies records, RG 35. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/454195 Accessed May 21, 2025.