PubMed:32165426 / 59-60
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T10","span":{"begin":0,"end":1},"obj":"''"}],"text":"\""}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok12","span":{"begin":0,"end":1},"obj":"''"}],"text":"\""}