PubMed:32102777 / 1226-1235
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T192","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"databases"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok220","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"databases"}