Rapiejko P, Lipiec A, Jurkiewicz D, Kalinowska E. Pollen seasons of hazel, alder and birch in Warsaw in 2014. Alergoprofil [Internet]. 2014Jun.17 [cited 2025Oct.3];10(2):41-4. Available from: https://www.journalsmededu.pl/index.php/alergoprofil/article/view/800