PubMed:32164424 / 165-172
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T24","span":{"begin":2,"end":6},"obj":"CD"}],"text":"f 2019 "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok27","span":{"begin":2,"end":6},"obj":"CD"},{"id":"lookup4","span":{"begin":2,"end":6},"obj":"year"}],"text":"f 2019 "}