PMC:7120874 / 9934-10035 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7120874","sourcedb":"PMC","sourceid":"7120874","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7120874","text":"The lower zone (left or right) represents area from the lower margin of middle zone to the lung base.","tracks":[]}