PubMed:32176808 / 931-940
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T155","span":{"begin":0,"end":9},"obj":"NN"}],"text":"migration"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok175","span":{"begin":0,"end":9},"obj":"NN"}],"text":"migration"}