PubMed:32150360 / 509-513
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T87","span":{"begin":0,"end":4},"obj":"WDT"}],"text":"that"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok97","span":{"begin":0,"end":4},"obj":"WDT"}],"text":"that"}