Batty, G. D., Gale, C. R., Tynelius, P., Deary, I. J., & Rasmussen, F. (2009). IQ in Early Adulthood, Socioeconomic Position, and Unintentional Injury Mortality by Middle Age: A Cohort Study of More Than 1 Million Swedish Men. Oxford University Press.

Batty, G. David, Catharine R. Gale, Per Tynelius, Ian J. Deary, ja Finn Rasmussen. IQ in Early Adulthood, Socioeconomic Position, and Unintentional Injury Mortality By Middle Age: A Cohort Study of More Than 1 Million Swedish Men. Oxford University Press, 2009.

Batty, G. David, et al. IQ in Early Adulthood, Socioeconomic Position, and Unintentional Injury Mortality By Middle Age: A Cohort Study of More Than 1 Million Swedish Men. Oxford University Press, 2009.