PMC:7210464 / 119-166 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7210464","sourcedb":"PMC","sourceid":"7210464","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7210464","text":"is study models local and cross-city transmissi","tracks":[]}