PubMed:32094225 / 508-514
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T73","span":{"begin":0,"end":6},"obj":"NNP"}],"text":"Middle"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok77","span":{"begin":0,"end":6},"obj":"NNP"}],"text":"Middle"}