PMC:7558914 / 107-126 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":10,"end":18},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"a, Spain\n\nAbstract\n"}