Willis SL, Tennstedt SL, Marsiske M, Ball K, Elias J, Koepke KM, Morris JN, Rebok GW, Unverzagt FW, Stoddard AM, Wright E, .
Long-term effects of cognitive training on everyday functional outcomes in older adults.
JAMA
.
2006 Dec 20
;
296(23):2805-14.
PubMed
Abstract