AUTHOR=Wicki Benedikt TITLE=The Main Task of Urban Public Health: Narrowing the Health Gap Between the Poor and the Rich JOURNAL=International Journal of Public Health VOLUME=67 YEAR=2022 URL=https://www.ssph-journal.org/journals/international-journal-of-public-health/articles/10.3389/ijph.2022.1605084 DOI=10.3389/ijph.2022.1605084 ISSN=1661-8564