PubMed:32133152 / 504-510
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T81","span":{"begin":0,"end":6},"obj":"VBN"}],"text":"needed"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok92","span":{"begin":0,"end":6},"obj":"VBN"},{"id":"event19","span":{"begin":0,"end":6},"obj":"I_STATE"}],"text":"needed"}