PubMed:32172546 / 911-920
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T148","span":{"begin":0,"end":9},"obj":"NN"}],"text":"structure"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok164","span":{"begin":0,"end":9},"obj":"NN"}],"text":"structure"}