PMC:7796329 / 41652-41759 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T368","span":{"begin":0,"end":107},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Korea Research, a survey research institute, conducted an online survey for seven days to collect the data."}