PMC:7796291 / 4276-4507 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T27","span":{"begin":0,"end":231},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Many previous studies associated the deteriorated performance of disinfection-treated respirators with the loss of electrostatic charges [7,9,11,15,17,18,19,22,25], yet the direct evidence of charge deterioration was often missing."}