PMC:7796291 / 1525-1711 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T11","span":{"begin":73,"end":75},"obj":"Sentence"},{"id":"T12","span":{"begin":76,"end":88},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ground 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 environment"}