PubMed:32053389 / 1399-1401
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok247","span":{"begin":0,"end":1},"obj":"SYM"},{"id":"tok248","span":{"begin":1,"end":2},"obj":"CD"}],"text":"e2"}
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T9","span":{"begin":0,"end":2},"obj":"http://purl.obolibrary.org/obo/CLO_0002860"}],"text":"e2"}