PMC:7786642 / 31806-31976 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T260","span":{"begin":0,"end":170},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"When we restricted the analysis to the pre-lockdown period, the latent field for both pollutants captured London and Birmingham, i.e. the cities with the first outbreaks."}