PubMed:32091414 / 1364-1369
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T261","span":{"begin":0,"end":5},"obj":"NN"}],"text":"index"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok296","span":{"begin":0,"end":5},"obj":"NN"}],"text":"index"}