PubMed:31994742 / 294-300
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T49","span":{"begin":0,"end":6},"obj":"NN"}],"text":"search"}
LitCovid-PubTatorCentral
{"project":"LitCovid-PubTatorCentral","denotations":[{"id":"T1","span":{"begin":0,"end":6},"obj":"Disease:"}],"text":"search"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok56","span":{"begin":0,"end":6},"obj":"NN"}],"text":"search"}