Dąbrowska-Zapart K, Chłopek K. Birch pollen season in Sosnowiec in 1997?2016. Alergoprofil [Internet]. 2016Sep.30 [cited 2026May30];12(3):140-6. Available from: https://www.journalsmededu.pl/index.php/alergoprofil/article/view/872