PMC:7543471 / 8165-8256 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T76","span":{"begin":0,"end":91},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The puncture site was then dilated sequentially to the appropriate diameter of the cannula."}