PMC:7291971 / 34645-34728 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T251","span":{"begin":0,"end":83},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"NMR experiments were recorded on Bruker 400, 500 or 600 MHz spectrometers at 20 °C."}