PubMed:32118391 / 55-56
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T9","span":{"begin":0,"end":1},"obj":"''"}],"text":"\""}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok10","span":{"begin":0,"end":1},"obj":"''"}],"text":"\""}