PubMed:32118390 / 1963-1964
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T197","span":{"begin":0,"end":1},"obj":"-COLON-"}],"text":":"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok532","span":{"begin":0,"end":1},"obj":":"}],"text":":"}