Puc , Małgorzata, Mirosław I. Puc, Agnieszka Lipiec, and Piotr Rapiejko. “Dynamics of Alder and Birch Pollen Seasons in Szczecin and Warsaw (2008?2010)”. Alergoprofil 7, no. 3 (September 30, 2011): 33-40. Accessed May 30, 2026. https://www.journalsmededu.pl/index.php/alergoprofil/article/view/281.