PMC:7796111 / 20386-20487 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T141","span":{"begin":0,"end":101},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Due to the small sample size group mean differences could not be tested using inferential statistics."}