PMC:7558914 / 6008-6107 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"104","span":{"begin":23,"end":30},"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":"ay 2020 (Ethical code: PI-Prot-0520)\nWe excluded 19 basic general hospitals and 15 highly-specializ"}