PMC:7786642 / 8244-8413 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T70","span":{"begin":0,"end":169},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"An alternative is calculating the median, however the distribution of the air-pollutants using any of these metrics is almost identical, (Supplemental Material Fig. S4)."}