PMC:7146663 / 4914-4960 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T38","span":{"begin":0,"end":46},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Why Are There These Differences Among Regions?"}