PMC:7210464 / 94813-94916 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T911","span":{"begin":0,"end":103},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"10 Hong Kong and Macao are excluded from our analysis due to the lack of some socioeconomic variables."}