PMC:7449695 / 2515-2591 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7449695","sourcedb":"PMC","sourceid":"7449695","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7449695","text":" partly attributed to their extensive surveillance efforts and case targeted","tracks":[]}