PMC:7444865 / 14775-14821 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7444865","sourcedb":"PMC","sourceid":"7444865","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7444865","text":"ghtly more than half of the respondents worked","tracks":[]}