PMC:7321036 / 57-86 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":5,"end":13},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ion\n\nAbstract\nThe causative a"}