PMC:7537094 / 5895-5946 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7537094","sourcedb":"PMC","sourceid":"7537094","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7537094","text":".7 percent in April 2020, meaning that there were 7","tracks":[]}