
PubMed:32081636 / 1684-1689
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T275","span":{"begin":0,"end":5},"obj":"IN"}],"text":"about"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok312","span":{"begin":0,"end":5},"obj":"IN"}],"text":"about"}