PubMed:32057212 / 259-265
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T41","span":{"begin":0,"end":6},"obj":"NN"}],"text":"impact"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok43","span":{"begin":0,"end":6},"obj":"NN"}],"text":"impact"}