PubMed:33754144 / 1148-1252 JSONTXT

{"project":"Inflammaging","denotations":[{"id":"T11","span":{"begin":0,"end":104},"obj":"Sentence"},{"id":"T11","span":{"begin":0,"end":104},"obj":"Sentence"}],"text":"The primary endpoint was the proportion of patients alive and off supplemental oxygen therapy at day 14."}