Bourne JE, Sauchelli S, Perry R, Page A, Leary S, England C, Cooper AR. Health benefits of electrically-assisted cycling: a systematic review. Int J Behav Nutr Phy. 2018 Nov 21;15(1):116. doi: 10.1186/s12966-018-0751-8
Liu X, Hannum E. Early poverty exposure predicts young adult educational outcomes in China. China Econ Rev. 2017 Jul;44:79-97.
Muth MK, Zhen C, Taylor J, Cates S, Kosa K, Zorn D, Choiniere C. The value to consumers of health labeling statements on breakfast foods and cereals. Journal of food products marketing. 2013 Jul;19(4):279-98. doi: 10.1080/10454446.2013.724372