PMC:7784787 / 8832-8944 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T76","span":{"begin":0,"end":112},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The CE-marked type 2 medical mask in Figure 2E had a metal nose clip which was cinched down firmly on the dummy."}