PubMed:32150360 / 2173-2181
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T366","span":{"begin":0,"end":8},"obj":"NNP"}],"text":"February"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok400","span":{"begin":0,"end":8},"obj":"NNP"},{"id":"lookup91","span":{"begin":0,"end":8},"obj":"date"}],"text":"February"}