PubMed:32022276 / 185-187
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T28","span":{"begin":0,"end":2},"obj":"IN"}],"text":"of"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok34","span":{"begin":0,"end":2},"obj":"IN"}],"text":"of"}