PubMed:32006657 / 101-111
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T20","span":{"begin":0,"end":10},"obj":"NNS"}],"text":"travellers"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok24","span":{"begin":0,"end":10},"obj":"NNS"}],"text":"travellers"}