
PMC:7796176 / 4844-4945
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T36","span":{"begin":0,"end":101},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The study was approved by the Scientific Ethics Committee at Universidad de La Frontera, Chile (ORD.:"}