PubMed:32118640 / 1644-1645
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T249","span":{"begin":0,"end":1},"obj":"-LRB-"}],"text":"["}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok281","span":{"begin":0,"end":1},"obj":"NN"}],"text":"["}