Ruby, P., Collette, F., D’Argembeau, A., Péters, F., Degueldre, C., Balteau, E., . . . Salmon, E. (2009). Perspective taking to assess self-personality: What's modified in Alzheimer's disease? Neurobiology of Aging, 30(10), pp. 1637-1651. doi:10.1016/j.neurobiolaging.2007.12.014

Ruby, Perrine, Fabienne Collette, Arnaud D’Argembeau, Frédéric Péters, Christian Degueldre, Evelyne Balteau, André Luxen, Pierre Maquet, and Eric Salmon. "Perspective Taking to Assess Self-personality: What's Modified in Alzheimer's Disease?" Neurobiology of Aging 30, no. 10 (2009): 1637-1651.

Ruby, Perrine, et al. "Perspective Taking to Assess Self-personality: What's Modified in Alzheimer's Disease?" Neurobiology of Aging 30.10 (2009): 1637-1651.