PubMed:31995857 / 1101-1109
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T189","span":{"begin":0,"end":8},"obj":"NN"}],"text":"interval"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok206","span":{"begin":0,"end":8},"obj":"NN"}],"text":"interval"}