Liu X, Hannum E. Early poverty exposure predicts young adult educational outcomes in China. China Econ Rev. 2017 Jul;44:79-97.
Ruiz-Castell M, Carsin AE, Barbieri FL, Paco P, Gardon J, Sunyer J. Child patterns of growth delay and cognitive development in a Bolivian mining city. Am J Hum Biol. 2013 Jan;25(1):94-100. doi: 10.1002/ajhb.22346