PMC:7534795 / 41302-41327 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T311","span":{"begin":0,"end":25},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"• N = 40–50 standard care"}