PubMed:32171193 / 1604-1610
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T254","span":{"begin":0,"end":6},"obj":"NN"}],"text":"effect"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok295","span":{"begin":0,"end":6},"obj":"NN"}],"text":"effect"}