PMC:7143846 / 4526-4652 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"77","span":{"begin":40,"end":52},"obj":"Species"}],"attributes":[{"id":"A77","pred":"tao:has_database_id","subj":"77","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":"line surveys rely on the cooperation of participants, and it is difficult to meet the requirements in time, and even brings ex"}