PubMed:32064853 / 86-88
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T12","span":{"begin":1,"end":2},"obj":"-LRB-"}],"text":" ("}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok13","span":{"begin":1,"end":2},"obj":"("}],"text":" ("}