PMC:7116472 / 38766-39040 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T223","span":{"begin":0,"end":16},"obj":"Sentence"},{"id":"T224","span":{"begin":17,"end":207},"obj":"Sentence"},{"id":"T225","span":{"begin":208,"end":274},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Ethical approval\nEthical approval was given by the South Central-Oxford C Research Ethics Committee in England (reference 13/ SC/0149), and by the Scotland A Research Ethics Committee (reference 20/SS/0028). The study was registered at https://www.isrctn.com/ISRCTN66726260."}