Sikorski, Piotr, Małgorzata Szamocka, Agnieszka Meder, Monika Anna Ameryk, and Maciej Świątkowski. 2017. “Simple Sugars in Fruit and the Presence of Colorectal Cancers and Polyps”. Journal of Education, Health and Sport 7 (12):461-74. https://apcz.umk.pl/JEHS/article/view/5229.