PubMed:32167524 / 2591-2593
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T276","span":{"begin":0,"end":2},"obj":"NN"}],"text":"HR"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok691","span":{"begin":0,"end":2},"obj":"NNP"}],"text":"HR"}