PMC:7176269 / 3465-3615 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T30","span":{"begin":0,"end":150},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The three-dimensional print files are free and immediately available for open-source download, production, and emergency utilization around the globe."}