PMC:7796329 / 74219-74363 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T618","span":{"begin":0,"end":144},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The data are not publicly available due to regulations and guideline of data open policy according to the National Research Foundation of Korea."}