PMC:7444865 / 599-765 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T8","span":{"begin":38,"end":162},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"mmigrants in Allentown, Pennsylvania. Findings were used to develop and refine measures of conditions salient to the health of urban residents across the country. Quo"}