PubMed:32077659 / 1880-1885
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T303","span":{"begin":0,"end":5},"obj":"WDT"}],"text":"which"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok325","span":{"begin":0,"end":5},"obj":"WDT"}],"text":"which"}