PubMed:32133830 / 1620-1628
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T299","span":{"begin":0,"end":8},"obj":"NN"}],"text":"interval"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok334","span":{"begin":0,"end":8},"obj":"NN"}],"text":"interval"}