PubMed:32052373 / 378-384
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T52","span":{"begin":0,"end":6},"obj":"IN"}],"text":"across"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok65","span":{"begin":0,"end":6},"obj":"IN"}],"text":"across"}