PMC:7796111 / 29173-29239
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T202","span":{"begin":0,"end":66},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Independent t-tests were calculated to test group mean difference."}