PubMed:32074786 / 437-441
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T69","span":{"begin":0,"end":4},"obj":"DT"}],"text":"this"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok73","span":{"begin":0,"end":4},"obj":"DT"},{"id":"lookup10","span":{"begin":0,"end":4},"obj":"time_modifier"}],"text":"this"}