PMC:7786642 / 7857-8121 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T68","span":{"begin":72,"end":235},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"01–2018 for NO2 and 2002–2018 for PM2.5 at 1x1km resolution for the UK. The PCM model is calibrated using monitoring stations across the nation and has high predictive accuracy, R2 = 0.88 for NO2 and R2 = 0.63 for PM2.5 (Brookes 2017). We defined long-term exposur"}