PMC:7799377 / 7100-7215 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T52","span":{"begin":0,"end":115},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ACE-2 receptors are expressed in many parts of the body and are particularly densely expressed in the nasal mucosa."}