PMC:7784828 / 4419-4585 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T45","span":{"begin":53,"end":153},"obj":"Sentence"},{"id":"T46","span":{"begin":155,"end":161},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ions and to a lesser extent in developing countries. A brief summary of the global medical challenges the humankind continues to face is presented below.\n\n2.1.1. Inf"}