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
Bailey DB, Raspa M, Bishop E, Mitra D, Wheeler A, Sacco P. Health and economic consequences of Fragile X syndrome for caregivers. J Dev Behav Pediatr. 2012 Nov 1;33(9):705-12.