Rothman KJ, Hatch EE, Poole C, Wise LA, Gallacher JEJ, Lash TL, Mikkelsen EM, Sorensen HT. Comment on "Perils and Potentials of Self-Selected Entry to Epidemiological Studies and Surveys". J R Stat Soc Ser A Stat Soc. 2016 Feb;179(2):364. doi: 10.1111/rssa.12136
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