PMC:7781500 / 309-327 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"5","span":{"begin":2,"end":14},"obj":"Species"}],"attributes":[{"id":"A5","pred":"tao:has_database_id","subj":"5","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":"r participants to "}