PubMed:31996494 / 513-521
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T89","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"standard"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok103","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"standard"}