PMC:7796291 / 1481-1706 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T11","span":{"begin":117,"end":119},"obj":"Sentence"},{"id":"T12","span":{"begin":120,"end":132},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"alth and safety by providing scientific background on the effect of disinfection treatment methods for respirators.\n\n1. Introduction\nThe demand for face filtering respirators has grown continuously to cope with various enviro"}