Liu X, Hannum E. Early poverty exposure predicts young adult educational outcomes in China. China Econ Rev. 2017 Jul;44:79-97.
Klimkiewicz JJ, Samsell BJ, Riff A, DeBerardino TM, Moore MA. Comparison of human tendon allografts and autografts used in knee reconstruction. Curr Orthop Pract. 2011 Nov;22(6):494-502. doi: 10.1097/BCO.0b013e318236c466