Allison, S., Babulal, G., Stout, S., Barco, P., Carr, D., Fagan, A., … Head, D. (1969). Alzheimer Disease Biomarkers and Driving in Clinically Normal Older Adults: Role of Spatial Navigation Abilities. Alzheimer Disease and Associated Disorders, 32(2), 101-106. https://doi.org/10.1097/WAD.0000000000000257 (Original work published 1969)