PMC:7267243 / 19505-19656 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T214","span":{"begin":0,"end":151},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Our study was approved by the ethic committee of the University Hospital of Cologne (Identifier of the University of Cologne Ethics Committee 20‐1157)."}