PMC:7796058 / 23012-23133 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T140","span":{"begin":0,"end":121},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"For this paper, an indoor space is represented as a topographic cellular space comprised of rooms, corridors, and stairs."}