PMC:7454258 / 144-226
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T57592","span":{"begin":19,"end":24},"obj":"http://purl.obolibrary.org/obo/UBERON_0001456"},{"id":"T18757","span":{"begin":67,"end":68},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"\nBackground\nThe US faces remarkable food and nutrition challenges. A new federal e"}
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T4","span":{"begin":1,"end":11},"obj":"Sentence"},{"id":"T5","span":{"begin":12,"end":66},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"\nBackground\nThe US faces remarkable food and nutrition challenges. A new federal e"}