Willis SK, Hatch EE, Wesselink AK, Rothman KJ, Wise LA. Female sleep patterns and spontaneous abortion in a North American preconception cohort. Poster presented at the 2020 Society for Reproductive Investigation’s 67th Annual Scientific Meeting (Conference cancelled); March 2020. Vancouver, Canada. [abstract] Reprod Sci. 2020 Mar; 27(1):374A.
Liu X, Hannum E. Early poverty exposure predicts young adult educational outcomes in China. China Econ Rev. 2017 Jul;44:79-97.
Cropper ML, Haile M, Lampietti J, Poulos C, Whittington D. The demand for a malaria vaccine: evidence from Ethiopia. J Dev Econ. 2004 Oct 1;75(1):303-18.