PMC:7796291 / 4136-4275 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T26","span":{"begin":0,"end":139},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The particle filtration of an electret media is attributed to the mechanical capture and the electrostatic attraction of particles [31,32]."}