PMC:7454258 / 45619-45925 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T62","span":{"begin":248,"end":256},"obj":"Chemical"},{"id":"T63","span":{"begin":267,"end":275},"obj":"Chemical"},{"id":"T64","span":{"begin":293,"end":305},"obj":"Chemical"}],"attributes":[{"id":"A62","pred":"chebi_id","subj":"T62","obj":"http://purl.obolibrary.org/obo/CHEBI_33284"},{"id":"A63","pred":"chebi_id","subj":"T63","obj":"http://purl.obolibrary.org/obo/CHEBI_46662"},{"id":"A64","pred":"chebi_id","subj":"T64","obj":"http://purl.obolibrary.org/obo/CHEBI_143130"}],"text":"Department of Commerce Commerce, Justice, Science, and related agencies National Institute of Standards and Technology (NIST) provides food-matrix Standard Reference Materials (SRMs) for the determination of trace element content, including both nutrient elements (minerals) and toxic metal contaminants."}

{"project":"LitCovid-sentences","denotations":[{"id":"T263","span":{"begin":0,"end":306},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Department of Commerce Commerce, Justice, Science, and related agencies National Institute of Standards and Technology (NIST) provides food-matrix Standard Reference Materials (SRMs) for the determination of trace element content, including both nutrient elements (minerals) and toxic metal contaminants."}