PMC:7781500 / 101-197 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":13,"end":47},"obj":"Sentence"},{"id":"T3","span":{"begin":49,"end":57},"obj":"Sentence"},{"id":"T4","span":{"begin":58,"end":68},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"19 Positive: A Cross-Sectional Analytical Study\n\nAbstract\nBackground\nPreventive practices are th"}