PMC:7376974 / 2704-2759 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7376974","sourcedb":"PMC","sourceid":"7376974","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7376974","text":"the spread of contagious epidemics. Due to these facts,","tracks":[]}