Majsiak , E., & Buczyłko , K. (2016). Prevalence of allergen-specific immunoglobulin E against birch, alder, hazel and oak among 8254 patients from different regions of Poland. Alergoprofil, 12(2), 74-78. Retrieved from https://www.journalsmededu.pl/index.php/alergoprofil/article/view/862