PubMed:32172226 / 145-158
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T22","span":{"begin":0,"end":13},"obj":"NN"}],"text":"understanding"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok25","span":{"begin":0,"end":13},"obj":"NN"}],"text":"understanding"}