PMC:7594251 / 108405-108549 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T83294","span":{"begin":108,"end":117},"obj":"Chemical"}],"attributes":[{"id":"A65947","pred":"chebi_id","subj":"T83294","obj":"http://purl.obolibrary.org/obo/CHEBI_25367"}],"text":"NMR can be combined with other analytical techniques, such as mass spectrometry “in tandem” analysis of the molecules of interest [436,437,438]."}

{"project":"LitCovid-sentences","denotations":[{"id":"T727","span":{"begin":0,"end":144},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"NMR can be combined with other analytical techniques, such as mass spectrometry “in tandem” analysis of the molecules of interest [436,437,438]."}