Rapiejko , Piotr, and Agnieszka Lipiec. “Services With Nationwide Information on Pollen Counts in Poland in 2018”. Alergoprofil 14, no. 1 (March 31, 2018): 17-20. Accessed May 26, 2026. https://www.journalsmededu.pl/index.php/alergoprofil/article/view/74.