PubMed:31991628 / 527-535
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T97","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"hundreds"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok104","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"hundreds"}