Puc , M., Grinn-Gofroń , A., Myśliwy , M., Wolski , T., Rapiejko , P., Sieczka , J., Puc , M. and Gofroń , M. (2008) “Birch-tree blossoming period in 2008 in Szczecin vs the threat to pollen allergens that tree”, Alergoprofil, 4(3), pp. 44-49. Available at: https://www.journalsmededu.pl/index.php/alergoprofil/article/view/89 (Accessed: 30May2026).