Piotrowska-Weryszko , K., E. Weryszko-Chmielewska, P. Rapiejko, A. Rapiejko, M. Malkiewicz, D. Myszkowska, A. Sulborska, B. Żuraw, K. Chłopek, and K. Voloshchuk. “Mugwort Pollen Season in Southern Poland and Lviv (Ukraine) in 2015”. Alergoprofil, Vol. 12, no. 1, Mar. 2016, pp. 26-30, https://www.journalsmededu.pl/index.php/alergoprofil/article/view/855.