PubMed:32134681 / 2734-2738
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T543","span":{"begin":0,"end":4},"obj":"CC"}],"text":"plus"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok644","span":{"begin":0,"end":4},"obj":"CC"}],"text":"plus"}