Cueto HT, Riis AH, Hatch EE, Wise LA, Rothman KJ, Sørensen HT, Mikkelsen EM. Folic acid supplementation and fecundability: a Danish prospective cohort study. Eur J Clin Nutr. 2016 Jan;70(1):66-71. doi: 10.1038/ejcn.2015.94
Smith VK, Mansfield CA, Klaiber HA. Terrorist threats, information disclosures, and consumer sovereignty. Information economics and policy. 2013 Dec;25(4):225-34.