1. Asthma risk factors;Toskala;Int Forum Allergy Rhinol,2015
2. European Environment Agency. Air quality in Europe – 2020 report; 2020. https://www.eea.europa.eu//publications/air-quality-in-europe-2020-report [accessed 26.06.22].
3. Health Effects Institute. State of Global Air 2020. Special Report; 2020. Boston, MA: Health Effects Institute. https://www.stateofglobalair.org/resources [accessed 26.06.22].
4. World Health Organization (WHO). Air pollution; 2021. https://www.who.int/health-topics/air-pollution [accessed 26.06.22].
5. World Health Organization (WHO). Policies, regulations & legislation promoting healthy housing: a review; 2021. https://www.who.int/publications/i/item/9789240011298 [accessed 26.06.22].