PubMed:32007643 / 96-101 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T15","span":{"begin":1,"end":2},"obj":"-COMMA-"}],"text":"a, fr"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok18","span":{"begin":1,"end":2},"obj":","}],"text":"a, fr"}