PMC:7283670 / 32862-32893 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7283670","sourcedb":"PMC","sourceid":"7283670","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7283670","text":"nts of Beijing: 92 (73.3%), pat","tracks":[]}