PMC:7143846 / 9623-9705 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T74","span":{"begin":0,"end":82},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"It contains two types of LIWC categories: words of emotions and words of concerns."}