Rachwał, Krystian, Karol Wielgus, Piotr Bator, Wiktor Razik, Grzegorz Łyko, Maria Antos, Julia Furgalska, Maria Pawłowska, and Angelika Wawryszuk. “Lactase Deficiency and Lactose Intolerance: Current Understanding and Future Directions”. Journal of Education, Health and Sport 69 (May 17, 2024): 49393. Accessed January 27, 2025. https://apcz.umk.pl/JEHS/article/view/49393.