PMC:7594251 / 1522-1634 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T14","span":{"begin":8,"end":110},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"opment. The basic concepts, theories, and applications of the most commonly used NMR techniques are presented. W"}