Hillesund, Elisabet R., Elling Bere, Linda R. Sagedal, Ingvild Vistad, Hilde L. Seiler, Monica K. Torstveit, and Nina C. Øverby. “Pre-Pregnancy and Early Pregnancy Dietary Behavior in Relation to Maternal and Newborn Health in the Norwegian Fit for Delivery Study – a Post Hoc Observational Analysis”. Food & Nutrition Research 620 (August 8, 2018). Accessed January 28, 2022. https://foodandnutritionresearch.net/index.php/fnr/article/view/1273.