PubMed:32088679 / 72-76 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T12","span":{"begin":1,"end":2},"obj":"-COMMA-"}],"text":"n, t"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok15","span":{"begin":1,"end":2},"obj":","}],"text":"n, t"}