PMC:7589163 / 100499-100516 JSONTXT

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{"project":"LitCovid-PubTator","denotations":[{"id":"3930","span":{"begin":0,"end":17},"obj":"Chemical"}],"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":"vitamin D-calcium"}