PMC:7210464 / 7251-7404 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T46","span":{"begin":14,"end":83},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"c conditions.\nOur analysis contributes to the existing literature in three aspects. First, our analysis is connected to the economics and epidemiological"}