PMC:7104236 / 4558-4648 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T37","span":{"begin":0,"end":90},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Guidelines that only provide preventive measures without treatment measures were excluded."}