PMC:7537094 / 155-183 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T4","span":{"begin":10,"end":18},"obj":"Sentence"},{"id":"T5","span":{"begin":19,"end":27},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"O et al.\n\nAbstract\nAbstract\n"}