PMC:7291971 / 19078-19139 JSONTXT

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{"project":"LitCovid-sentences","denotations":[{"id":"T134","span":{"begin":0,"end":61},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The MTase activity was measured using a filter binding assay."}