PMC:7333997 / 22890-23001 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T75","span":{"begin":6,"end":9},"obj":"CHEBI:8102;CHEBI:8102"},{"id":"T21234","span":{"begin":15,"end":17},"obj":"CL:0002322"},{"id":"T4018","span":{"begin":38,"end":40},"obj":"CL:0002322"}],"text":"asure PM2.5.\n\n5.1 Air quality stations vs. population of the most polluted capitals cities\nFig. 6 presents the"}

{"project":"LitCovid-sentences","denotations":[{"id":"T201","span":{"begin":14,"end":91},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"asure PM2.5.\n\n5.1 Air quality stations vs. population of the most polluted capitals cities\nFig. 6 presents the"}