PMC:7386785 / 27140-27184 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T302","span":{"begin":0,"end":44},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Search methods for identification of studies"}