PubMed:32064853 / 1355-1357
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T258","span":{"begin":0,"end":2},"obj":"IN"}],"text":"of"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok291","span":{"begin":0,"end":2},"obj":"IN"}],"text":"of"}