PMC:7143846 / 6803-6858
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T51","span":{"begin":0,"end":4},"obj":"Sentence"},{"id":"T52","span":{"begin":5,"end":55},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"2.2. Measurement of Psychological Traits and Procedures"}