PubMed:32061066 / 1565-1570
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T310","span":{"begin":0,"end":5},"obj":"WDT"}],"text":"which"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok353","span":{"begin":0,"end":5},"obj":"WDT"}],"text":"which"}