PMC:7782580 / 16479-16669 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T119","span":{"begin":74,"end":146},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":", a 5th-year radiologist (Rad-5th), and a 3rd-year radiologist (Rad-3rd). The definition of the expert group can be found in Supplementary Note 1. The abbreviations of all the data sets used"}