PubMed:32096367 / 3612-3617
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T494","span":{"begin":0,"end":5},"obj":"IN"}],"text":"about"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok546","span":{"begin":0,"end":5},"obj":"IN"}],"text":"about"}