Chciałowski , Andrzej, and Agnieszka Lipiec. “The Analysis of Hazel Pollen Count in Warsaw in 2010”. Alergoprofil 6, no. 3 (September 30, 2010): 6-7. Accessed August 22, 2026. https://www.journalsmededu.pl/index.php/alergoprofil/article/view/191.