PMC:7224658 / 12695-12770 JSONTXT

{"target":"http://pubannotation.org/docs/sourcedb/PMC/sourceid/7224658","sourcedb":"PMC","sourceid":"7224658","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7224658","text":"%: (average traffic per day (2020) ÷ average traffic per day (2019)) × 100.","tracks":[]}