PubMed:32176808 / 125-129 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T21","span":{"begin":1,"end":2},"obj":"-COMMA-"}],"text":"a, h"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok25","span":{"begin":1,"end":2},"obj":","}],"text":"a, h"}