PubMed:32026671 / 2383-2394
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T414","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"differences"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok454","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"differences"}