PubMed:32141570 / 1270-1276
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T201","span":{"begin":0,"end":6},"obj":"IN"}],"text":"during"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok220","span":{"begin":0,"end":6},"obj":"IN"}],"text":"during"}