PMC:7029759 / 4723-4839 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T33","span":{"begin":0,"end":116},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In these situations, studies have often been conducted on compassionate use, and clinical trial approvals expedited."}