PubMed:32133152 / 1617-1623
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T238","span":{"begin":0,"end":6},"obj":"NN"}],"text":"effect"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok279","span":{"begin":0,"end":6},"obj":"NN"}],"text":"effect"}