Rapiejko, J., Puc, M., Malkiewicz, M., Piotrowska-Weryszko, K., Ziemianin, M., Siergiejko, G., Dąbrowska-Zapart, K., Jurkiewicz, D. i Lipiec, A. 2022. The analysis of birch pollen season in selected cities of Poland in 2021. Alergoprofil. 18, 1 (mar. 2022), 29-34. DOI:https://doi.org/10.24292/01.AP.181040322.