PubMed:32167166 / 347-352
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T62","span":{"begin":0,"end":5},"obj":"CD"}],"text":"81109"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok68","span":{"begin":0,"end":5},"obj":"CD"}],"text":"81109"}