C. R. Gale, Deary, I. J., Wardle, J., Zaninotto, P., and Batty, G. D.,
“Cognitive ability and personality as predictors of participation in a national colorectal cancer screening programme: the English Longitudinal Study of Ageing.”,
J Epidemiol Community Health, vol. 69, no. 6, pp. 530-5, 2015.