PubMed:32907660 / 356-472 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T3","span":{"begin":0,"end":1},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"A total of 4,048 dentists working in the Brazilian public primary and secondary healthcare system were investigated."}

{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":0,"end":116},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"A total of 4,048 dentists working in the Brazilian public primary and secondary healthcare system were investigated."}