PubMed:32141570 / 902-909
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T135","span":{"begin":0,"end":7},"obj":"VBN"}],"text":"indexed"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok146","span":{"begin":0,"end":7},"obj":"VBN"},{"id":"event20","span":{"begin":0,"end":7},"obj":"OCCURRENCE"}],"text":"indexed"}