PubMed:32061198 / 1037-1042
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T176","span":{"begin":0,"end":5},"obj":"IN"}],"text":"under"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok214","span":{"begin":0,"end":5},"obj":"IN"}],"text":"under"}