PMC:7796291 / 17137-17260 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T147","span":{"begin":0,"end":123},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"To examine the cause of reduced performance, the surface potential of the filter web was measured (Figure 3 and Figure S6)."}