PubMed:32134681 / 3137-3139
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T604","span":{"begin":0,"end":2},"obj":"IN"}],"text":"of"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok709","span":{"begin":0,"end":2},"obj":"IN"}],"text":"of"}