PubMed:32031570 / 861-870
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T138","span":{"begin":0,"end":9},"obj":"VBN"}],"text":"collected"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok149","span":{"begin":0,"end":9},"obj":"VBN"},{"id":"event3","span":{"begin":0,"end":9},"obj":"OCCURRENCE"}],"text":"collected"}