PMC:7283670 / 31883-31901 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T248","span":{"begin":0,"end":18},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"3% (1,408), 30–79:"}