PubMed:32035431 / 147-152
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T24","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"first"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok28","span":{"begin":0,"end":5},"obj":"JJ"},{"id":"lookup6","span":{"begin":0,"end":5},"obj":"date"}],"text":"first"}