PubMed:32087820 / 1669-1681
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T273","span":{"begin":0,"end":12},"obj":"NNS"}],"text":"importations"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok289","span":{"begin":0,"end":12},"obj":"NNS"}],"text":"importations"}