Eloranta, Aino-Maija, Taisa Venäläinen, Sonja Soininen, Henna Jalkanen, Sanna Kiiskinen, Ursula Schwab, Timo A. Lakka, and Virpi Lindi. “Food Sources of Energy and Nutrients in Finnish Girls and Boys 6–8 Years of Age – the PANIC Study”. Food & Nutrition Research 600 (September 30, 2016). Accessed October 27, 2020. https://foodandnutritionresearch.net/index.php/fnr/article/view/981.