PMC:7102662 / 366-478 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T1","span":{"begin":0,"end":1},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T2","span":{"begin":79,"end":80},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"A literature search was done using PubMed and Google search engines to prepare a narrative review on this topic."}

{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":0,"end":112},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"A literature search was done using PubMed and Google search engines to prepare a narrative review on this topic."}