PubMed:32096367 / 3469-3476
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T475","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"methods"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok525","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"methods"}