PubMed:32102777 / 1014-1021
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T164","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"popular"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok189","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"popular"}