PMC:7417788 / 1422-1561 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T45","span":{"begin":118,"end":124},"obj":"UBERON:0007023"},{"id":"T62275","span":{"begin":118,"end":124},"obj":"UBERON:0007023"}],"text":", which is available to authorized users.\n\nINTRODUCTION\nThe world population is undergoing a rapid expansion of older adults, and thus, exp"}

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T26","span":{"begin":91,"end":92},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":", which is available to authorized users.\n\nINTRODUCTION\nThe world population is undergoing a rapid expansion of older adults, and thus, exp"}

{"project":"LitCovid-sentences","denotations":[{"id":"T12","span":{"begin":43,"end":55},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":", which is available to authorized users.\n\nINTRODUCTION\nThe world population is undergoing a rapid expansion of older adults, and thus, exp"}