PMC:7784828 / 7949-8087 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T77","span":{"begin":0,"end":138},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The Rare Diseases Clinical Research Network was established by The National Institutes of Health (NIH) to address these unique challenges."}