PMC:7781500 / 962-1138 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T12","span":{"begin":0,"end":176},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Adjusted and unadjusted odds ratios were determined to find out the degree of protection provided by each of the preventive practices concerning the development of the disease."}