PubMed:32064855 / 338-340 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T56","span":{"begin":0,"end":2},"obj":"CD"}],"text":"22"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok61","span":{"begin":0,"end":2},"obj":"CD"}],"text":"22"}

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T3","span":{"begin":0,"end":2},"obj":"http://purl.obolibrary.org/obo/CLO_0050507"}],"text":"22"}