PMC:7128678 / 32490-32572 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T251","span":{"begin":0,"end":8},"obj":"Sentence"},{"id":"T252","span":{"begin":9,"end":14},"obj":"Sentence"},{"id":"T253","span":{"begin":15,"end":35},"obj":"Sentence"},{"id":"T254","span":{"begin":36,"end":50},"obj":"Sentence"},{"id":"T255","span":{"begin":51,"end":68},"obj":"Sentence"},{"id":"T256","span":{"begin":69,"end":82},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Funding: None.\nCompeting interests: None declared.\nEthical approval: Not required."}