PMC:7796176 / 4957-5078 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T38","span":{"begin":0,"end":121},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Data were collected and managed using REDCap (Research Electronic Data Capture) [9] hosted at Universidad de La Frontera."}