PubMed:32134681 / 1241-1243 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T208","span":{"begin":0,"end":2},"obj":"CD"}],"text":"27"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok238","span":{"begin":0,"end":2},"obj":"CD"}],"text":"27"}

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T14","span":{"begin":0,"end":2},"obj":"http://purl.obolibrary.org/obo/CLO_0050509"}],"text":"27"}