PubMed:32031570 / 2823-2824
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T561","span":{"begin":0,"end":1},"obj":"-LRB-"}],"text":"["}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok659","span":{"begin":0,"end":1},"obj":"NN"}],"text":"["}