Lipiec , A., Zielnik-Jurkiewicz , B. and Rapiejko , P. (2014) “Characteristics of pollen seasons of hazel, alder and birch in Piotrkow Trybunalski in 2014”, Alergoprofil, 10(2), pp. 28-31. Available at: https://www.journalsmededu.pl/index.php/alergoprofil/article/view/797 (Accessed: 3October2025).