PubMed:32105637 / 657-662
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T103","span":{"begin":0,"end":5},"obj":"NN"}],"text":"basis"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok112","span":{"begin":0,"end":5},"obj":"NN"}],"text":"basis"}