PMC:7461420 / 92-119 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T4","span":{"begin":5,"end":13},"obj":"Sentence"},{"id":"T5","span":{"begin":14,"end":22},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"al.\n\nAbstract\nAbstract\nCoro"}