PMC:7402624 / 55511-55701 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T320","span":{"begin":0,"end":190},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Although differences in age and race existed between the cohorts and could impact some immune variables, the major UMAP relationships were preserved even when correcting for these variables."}