PMC:7786642 / 9178-9320 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T78","span":{"begin":94,"end":110},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" populations) and obtain P¯gl=vglPl, where vgl is the normalised Pgl', ie vgl= Pgl'/∑glPgl'.\n\n2.4 Confounders\nWe considered confounders relat"}