@article{Whalley2001,
author = {Whalley, L.J. and Deary, I.J.},
title= {Longitudinal cohort study of childhood IQ and survival up to age 76},
year = {2001},
doi = {10.1136/bmj.322.7290.819},
volume = {322},
number = {7},
pages = {1--5},
}