PMC:7787218 / 19454-19479 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7787218","sourcedb":"PMC","sourceid":"7787218","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7787218","text":"Two doses (day 0, day 21)","tracks":[]}