PubMed:32110742 / 1980-1986
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T208","span":{"begin":0,"end":6},"obj":"NNS"}],"text":"bounds"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok346","span":{"begin":0,"end":6},"obj":"NNS"}],"text":"bounds"}