PMC:7547912 / 17059-17201 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T96","span":{"begin":30,"end":33},"obj":"Chemical"},{"id":"T97","span":{"begin":39,"end":42},"obj":"Chemical"},{"id":"T98","span":{"begin":128,"end":132},"obj":"Chemical"}],"attributes":[{"id":"A96","pred":"chebi_id","subj":"T96","obj":"http://purl.obolibrary.org/obo/CHEBI_16134"},{"id":"A97","pred":"chebi_id","subj":"T97","obj":"http://purl.obolibrary.org/obo/CHEBI_18422"},{"id":"A98","pred":"chebi_id","subj":"T98","obj":"http://purl.obolibrary.org/obo/CHEBI_33292"}],"text":"oncentrations of PM2.5, PM10, NH3, and SO2 were reduced by 54%, 17%, 30%, and 39% respectively as shown in Fig. 4, while due to fuel and coal "}