PMC:7795856 / 28014-28059 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T163","span":{"begin":0,"end":4},"obj":"Sentence"},{"id":"T164","span":{"begin":5,"end":45},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"4.4. Analytical Size Exclusion Chromatography"}