PubMed:31996342 / 4-6 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T1","span":{"begin":1,"end":2},"obj":"-COLON-"}],"text":"n:"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok2","span":{"begin":1,"end":2},"obj":":"}],"text":"n:"}