PubMed:32141569 / 1662-1667
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T277","span":{"begin":0,"end":5},"obj":"NN"}],"text":"trend"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok313","span":{"begin":0,"end":5},"obj":"NN"}],"text":"trend"}