PubMed:31996494 / 26-32
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T4","span":{"begin":1,"end":4},"obj":"DT"}],"text":" the 2"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok5","span":{"begin":1,"end":4},"obj":"DT"}],"text":" the 2"}