PubMed:32064853 / 671-672
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T117","span":{"begin":0,"end":1},"obj":"LS"}],"text":"5"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok124","span":{"begin":0,"end":1},"obj":"LS"}],"text":"5"}