PMC:7405836 / 663-757 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":65,"end":73},"obj":"Sentence"},{"id":"T8","span":{"begin":74,"end":81},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ssion, the possibility of other routes should not be ruled out.\n\nAbstract\nSUMMARY\nIn recent de"}