PMC:7210464 / 89280-89320 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T859","span":{"begin":0,"end":40},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Number of cities 304 304 304 304 304 304"}