PubMed:32050635 / 100-107
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T15","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"Lessons"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok18","span":{"begin":0,"end":7},"obj":"NNP"}],"text":"Lessons"}