PMC:7386785 / 48950-49031 JSONTXT

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{"project":"LitCovid-PubTator","denotations":[{"id":"863","span":{"begin":9,"end":20},"obj":"Species"}],"attributes":[{"id":"A863","pred":"tao:has_database_id","subj":"863","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":"We rated participant selection as introducing high risk of bias in seven studies."}