PMC:7780584 / 2550-2684 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T22","span":{"begin":0,"end":134},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Social history was remarkable for crowded and close living conditions, with five other family members sharing a two-bedroom apartment."}