PMC:7172841 / 2077-2140
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T20","span":{"begin":54,"end":55},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"n December 2019, authorities in Wuhan, China reported a cluster"}