PubMed:32081569 / 225-233
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T36","span":{"begin":0,"end":8},"obj":"NNP"}],"text":"December"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok42","span":{"begin":0,"end":8},"obj":"NNP"},{"id":"lookup12","span":{"begin":0,"end":8},"obj":"date"}],"text":"December"}