@article{Hultsch1999,
author = {Hultsch, D.F. and Hertzog, C. and Small, B.J. and Dixon, R.A.},
title= {Use it or lose it: Engaged lifestyle as a buffer of cognitive decline in aging?Use it or lose it: Engaged lifestyle as a buffer of cognitive decline in aging?},
year = {1999},
doi = {10.1037/0882-7974.14.2.245},
volume = {14},
number = {2},
pages = {243‒263},
}