PubMed:32083638 / 977-988
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T151","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"experiments"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok176","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"experiments"}