PMC:7333997 / 1043-1173 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7333997","sourcedb":"PMC","sourceid":"7333997","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7333997","text":"nvironment and on the air quality of cities as recently reported by NASA (National Aeronautics and Space Administration) and ESA (","tracks":[]}