PubMed:32141570 / 27-32
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T3","span":{"begin":0,"end":1},"obj":"-COLON-"}],"text":": pre"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok6","span":{"begin":0,"end":1},"obj":":"}],"text":": pre"}