PubMed:31995857 / 367-374
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T61","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"METHODS"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok69","span":{"begin":0,"end":7},"obj":"NNP"}],"text":"METHODS"}