PMC:7796072 / 2642-2789 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T22","span":{"begin":0,"end":147},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"An outdoor lifestyle combined with mask wearing practices due to pre-existing environmental pollution was already in place before the pandemic [5]."}