PMC:7796152 / 9663-9832 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T74","span":{"begin":45,"end":168},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"f social distancing was initiated worldwide. Although circumstances necessitate such extreme measures, social isolation presents a risk for adverse health effects [59]. "}