Liu X, Hannum E. Early poverty exposure predicts young adult educational outcomes in China. China Econ Rev. 2017 Jul;44:79-97.
Walker AW, Loughlin JE, Friedlander ER, Rothman KJ, Dreyer NA. Projections of asbestos-related disease, 1980-2009. J Occup Med. 1983 May;25(5):409-25.