AUTHOR=Gisler Amanda TITLE=Allergies in Urban Areas on the Rise: The Combined Effect of Air Pollution and Pollen JOURNAL=International Journal of Public Health VOLUME=66 YEAR=2021 URL=https://www.ssph-journal.org/journals/international-journal-of-public-health/articles/10.3389/ijph.2021.1604022 DOI=10.3389/ijph.2021.1604022 ISSN=1661-8564