PubMed:32118394 / 681-687
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T106","span":{"begin":0,"end":6},"obj":"VBN"}],"text":"needed"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok113","span":{"begin":0,"end":6},"obj":"VBN"},{"id":"event2","span":{"begin":0,"end":6},"obj":"I_STATE"}],"text":"needed"}