PMC:7796041 / 493-548 JSONTXT

{"target":"http://pubannotation.org/docs/sourcedb/PMC/sourceid/7796041","sourcedb":"PMC","sourceid":"7796041","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7796041","text":"03/2020–06/2020 were included. Medical records were sys","tracks":[]}