PubMed:32091386 / 344-352
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T52","span":{"begin":0,"end":8},"obj":"NN"}],"text":"traveler"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok58","span":{"begin":0,"end":8},"obj":"NN"}],"text":"traveler"}