PubMed:32102777 / 1495-1506
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T233","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"foundations"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok266","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"foundations"}