PubMed:32061066 / 1135-1140
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T224","span":{"begin":0,"end":5},"obj":"WDT"}],"text":"which"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok248","span":{"begin":0,"end":5},"obj":"WDT"}],"text":"which"}