PMC:7499623 / 4709-4804 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"63","span":{"begin":5,"end":17},"obj":"Species"}],"attributes":[{"id":"A63","pred":"tao:has_database_id","subj":"63","obj":"Tax:9606"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":".8%) participants were from Europe, 39 (10.2%) from Asia, 20 (5.3%) from North America, 17 (4.5"}