PubMed:32088679 / 42-47 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T9","span":{"begin":2,"end":3},"obj":"-COLON-"}],"text":"us: h"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok12","span":{"begin":2,"end":3},"obj":":"}],"text":"us: h"}