PMC:7120970 / 3888-3989 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T27","span":{"begin":0,"end":101},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Disclosure forms provided by the authors are available with the full text of this letter at NEJM.org."}