PMC:7796111 / 53915-54035 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T349","span":{"begin":0,"end":120},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Students and staff generally perceived that their safety on campus was increased due to university asymptomatic testing."}