PubMed:32057210 / 696-701
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T116","span":{"begin":0,"end":5},"obj":"NN"}],"text":"cross"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok122","span":{"begin":0,"end":5},"obj":"NN"}],"text":"cross"}