PMC:7796152 / 98-154 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":1,"end":9},"obj":"Sentence"},{"id":"T3","span":{"begin":10,"end":21},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"\nAbstract\nObjectives: We examined the effect of loneline"}