PMC:7796176 / 36584-36626 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T298","span":{"begin":0,"end":42},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Main caregiver’s level of education (ref:"}