PubMed:32031570 / 1630-1631
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T283","span":{"begin":0,"end":1},"obj":"-LRB-"}],"text":"["}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok320","span":{"begin":0,"end":1},"obj":"NN"}],"text":"["}