PMC:7796344 / 20841-20942 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T144","span":{"begin":0,"end":101},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"This study showed an almost equal divide in those who do and do not use face masks in crowded places."}