PMC:7274940 / 6006-6094 JSONTXT

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{"project":"LitCovid-sentences","denotations":[{"id":"T56","span":{"begin":0,"end":88},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Differences in the outcomes between the groups were tested with the Mann–Whitney U test."}