PubMed:31995857 / 1402-1403
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T259","span":{"begin":0,"end":1},"obj":"-COLON-"}],"text":":"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok296","span":{"begin":0,"end":1},"obj":":"}],"text":":"}