Stencel-Gabriel, K, Z Czuba, I Gabriel, and A Majda. “Urinary Leukotriene E4 at 12 Months and Influencing Factors”. Journal of Education, Health and Sport 6, no. 1 (January 30, 2016): 197–206. Accessed April 25, 2024. https://apcz.umk.pl/JEHS/article/view/3348.