PubMed:32247631 / 92-98
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok17","span":{"begin":3,"end":4},"obj":","},{"id":"tok18","span":{"begin":5,"end":6},"obj":"DT"}],"text":"019, a"}
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T4","span":{"begin":5,"end":6},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"019, a"}