PubMed:32150618 / 611-617
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T90","span":{"begin":0,"end":6},"obj":"NN"}],"text":"effect"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok98","span":{"begin":0,"end":6},"obj":"NN"}],"text":"effect"}