PubMed:32150360 / 3657-3661
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T626","span":{"begin":0,"end":4},"obj":"VB"}],"text":"stem"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok688","span":{"begin":0,"end":4},"obj":"VB"},{"id":"event62","span":{"begin":0,"end":4},"obj":"OCCURRENCE"}],"text":"stem"}