Minimal atrophy of the entorhinal cortex and hippocampus: progression of cognitive impairment. - Varon D; Loewenstein DA; Potter E; Greig MT; Agron J; Shen Q; Zhao W; Celeste Ramirez M; Santos I; Barker W; Potter H; Duara R (Dementia and geriatric cognitive disorders, 2011)