PMC:7270803 / 91-105 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T3","span":{"begin":0,"end":14},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"To the Editor:"}