PMC:7335644 / 1207-1432 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T12","span":{"begin":0,"end":225},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, secondary outcome measures did differ between the groups with 28-day all-cause mortality significantly lower and intensive care unit-free days significantly shorter in the placebo groups than in the Vit-C groups [5]."}