PubMed:32052373 / 909-915
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T129","span":{"begin":0,"end":6},"obj":"IN"}],"text":"during"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok147","span":{"begin":0,"end":6},"obj":"IN"}],"text":"during"}