PubMed:32171865 / 319-326
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T52","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"METHODS"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok58","span":{"begin":0,"end":7},"obj":"NNP"}],"text":"METHODS"}