PMC:7253233 / 2734-2878 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T27","span":{"begin":60,"end":61},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"st in Wuhan, China, in 2019 and spread rapidly worldwide as a pandemic of the twenty-first century. The symptoms and disease manifestations caus"}