PubMed:31986264 / 369-376
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T60","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"METHODS"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok66","span":{"begin":0,"end":7},"obj":"NNP"}],"text":"METHODS"}