PMC:7473770 / 45834-45965 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T370","span":{"begin":0,"end":131},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The study was approved by and conducted according to requirements of the ethics committees at the Hannover Medical School (vote Nr."}