PubMed:32074786 / 699-705
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T114","span":{"begin":0,"end":6},"obj":"NN"}],"text":"travel"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok123","span":{"begin":0,"end":6},"obj":"NN"}],"text":"travel"}