Doniec , Zbigniew, Mariusz Woźniak, Kamila Woźniak, and Agnieszka Mastalerz-Migas. 2017. “Preschool Childhood Asthma ? Practical Clinical Problems”. Alergoprofil 13 (2), 49-54. https://www.journalsmededu.pl/index.php/alergoprofil/article/view/887.